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Canadian Patents DatabaseHelp: ContentHelp from the Client Service Centre Help from the Client Service Centre
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| e.g. 20/230 | 20 is the class |
| 230 is the subclass |
(51) International Patent Classification (IPC)
The system used by the international community to classify inventions by type. It has been used in Canada since August 15, 1978. CIPO adopts the most recent version of the International Patent Classification (IPC-2006) which can be consulted on the World Intellectual Property Organization (WIPO) Web Site.
The following example shows how the "advanced" level of IPC-2006 classification symbols appear. Classifications are followed by the "version" date in brackets. Classifications with inventive information appear in bold and italic. Classifications with additional useful non-inventive information appear in normal italic. Only the classification is searchable on the Canadian Patents Database.
Example:
| B28B 12/9 (2006.03) - | advanced level inventive information |
| H05B 3/18 (2007.06) - | advanced level additional non-inventive information |
Patent Cooperation Treaty (PCT)
YES indicates that the application was filed through the Patent Cooperation Treaty (PCT). The PCT is an international treaty providing standardized filing procedures for foreign patents in the countries that have signed the treaty. The following fields are displayed only when the patent document is a PCT: (85) National Entry, (86) PCT Filing Number, (86) PCT Filing Date, (87) International Publication Number, (87) International Publication Date.
(85) National Entry
The date that a PCT originating application entered the Canadian national phase.
(86) PCT Filing Number, Date
The number and the date assigned by the World Intellectual Property Organization (WIPO) to a patent application at the time it is filed in the PCT system.
(87) International Publication Number, PCT Publication Date
The number and the date assigned by the World Intellectual Property Organization (WIPO) to an application filed through the PCT when the application becomes open to public inspection.
(30) Application Priority Data
Canada is a signatory to international treaties and conventions which grant similar rights throughout many countries. An applicant may use the filing date of a previously filed application as the effective filing date of subject matter in a later filed Canadian application provided that:
This field gives the priority application(s) related to the Canadian application. The order of appearance is: priority number, priority country and priority date.
A patent document may have multiple priorities. Only the earliest priority is searchable but all priorities will be displayed.
Availability of Licence
This field indicates whether the owner is willing to sell or license the rights to the patent. Since this data is voluntarily supplied by the owner, "N/A" means either No Licence Available or Data Not Given. Also, since owners may change their minds, further enquiries to the owner of the patent may be required to obtain a definitive answer.
Language of Filing
This field indicates whether the document is available in English or French. The LANGUAGE OF FILING field applies only to applications open to public inspection and patents granted on or after August 15, 1978.
Abstract
A single paragraph describing the invention.
The ABSTRACT field applies only to applications open to public inspection and patents granted on or after August 15, 1978. For the period starting on December 10, 1974, the abstract can be viewed from the abstract image section.
Representative Drawing
A single figure which represents the drawing illustrating the invention.
Claims
A section that defines monopoly on novelty, and forms the substance of the intellectual property that is to be protected by the patent.
The CLAIMS field applies only to applications open to public inspection and patents granted on or after August 15, 1978. The whole claims on patent documents on this site can be viewed on the claims image section.
Administrative status information includes the following status fields and dates associated with the processing of patent applications:
(22) Filed, (86) PCT Filing Date
The date the patent application was filed. If it is a PCT originating application, then it is the same date as the PCT filing date.
On this site, for divisional patents, where the application was filed before October 1, 1989, the date recorded as the filing date may be the date the divisional application was received, rather then the legal filing date of the parent application. Similarly for reissue patents, where the application was filed before October 1, 1989, the date recorded as the filing date may be the date the request for reissue was received, rather than the legal filed date of the surrendered patent.
(85) National Entry
The date that a PCT originating application entered the Canadian national phase.
(41) Open to Public Inspection, (87) PCT Publication Date
Patent applications filed since October 1, 1989, are open to public inspection.
Applications filed on or after October 1, 1989, are made available to the public 18 months after the priority date, or, if there is no priority, 18 months after the filed date, unless the applicant has requested early open to public inspection date.
If the application is PCT originating, then the open to public inspection date will normally be the same as the PCT publication date.
Examination Requested
The date on which a request was made to have an application examined. This applies only to applications filed on or after October 1, 1989. For applications filed on or after October 1, 1996, the request must be made within 5 years from the filed date of the application. For applications filed between October 1, 1989 and September 30, 1996, the request must be made within 7 years from the filing date of the application.
Withdrawn Application
The date that an application open to public inspection was withdrawn at the request of the applicant.
Correction of Withdrawn
The date that the withdrawn status was reversed, usually to correct a situation where the application was erroneously withdrawn by the Patent Office.
Dead Application
The date that an abandoned application could normally no longer be reinstated.
Correction of Dead Application
The date that the dead status was reversed, usually to correct a situation where the application erroneously became dead.
(45) Issued
The date an application becomes a patent.
Re-examination Certificate
The date that a re-examination certificate has been issued for a patent, with changes to the patent as originally issued.
Reissued
The date that a patent was reissued after the original patent was surrendered by the patentee. For patents that were filed on or after October 1,1989, the patent number remains the same as the original patent. For patents that were filed before October 1,1989, the patent reissues with a new number. In both cases the term of the patent remains the same as the original patent.
A reissue can occur occasionally and under strict conditions, when a patentee surrenders what is believed to be a defective patent to the Patent Office in order to have the defect fixed. The surrendered patent undergoes further examination and may subsequently be re-allowed and reissued.
On extremely rare occasions a patent document may have multiple reissued dates. This site displays only the last reissue date. In order to determine if the patent has been reissued more than once, the cover page Image of the patent must be accessed.
Surrendered
The date the original patent was surrendered and no longer is in force.
Correction of Surrendered
The date that the surrendered status was reversed, used exceptionally to correct a situation where the patent erroneously shows a surrendered status.
Lapsed
The day at the end of which the patent term expired, pursuant to subsection 46(2) of the Patent Act, for failure to pay maintenance fees. (This applies only to patents issued after October 1, 1989.)
Correction of Lapsed
The date that the lapsed status was reversed; usually to correct a situation where our records erroneously indicated that the patent was lapsed.
Expired
In cases where all maintenance fees required by section 46 of the Patent Act were paid, the day at the end of which the patent term expired, pursuant to section 44 or 45 of the Patent Act.
Correction of Expired
The date that the expired status was reversed; usually to correct a situation where our records erroneously indicated that the patent was expired.
Maintenance fee information includes details of last payment and next payment associated with the processing as follows:
Notes:
No maintenance fee status is provided for patents granted prior to October 1, 1989.
For patent documents filed or granted from October 1, 1989, no maintenance fee status is provided if the patent document is no longer in force.
The last maintenance fee payment that was made. If some of the maintenance fees are prepaid, only the last of the prepaid payments is shown.
The date that the last maintenance fee payment was received in the Patent Office.
Amount of last payment
The amount actually paid for the last payment.
Next payment
The next payment for either a small or large entity.
Date of next payment
The date that the next maintenance fee payment is due in the Patent Office.
Amount of next payment
This is the prescribed amount due for the next maintenance fee payment, depending on whether or not the applicant/patentee is a small or large entity.
Payment history information includes Anniversary year of maintenance fee, Amount paid, Due and Paid date associated with the fee types as follows:
Note: The Canadian Patents Database does not provide the full payment history for granted patents or applications with numbers lower than 2198508. In such cases, the amount paid column will appear as "0.00" in the table. For full payment history, please contact CIPO.
Money that was paid in excess according to CIPO's records.
Fee required on completing an application.
Corrective payment/Section 78.6
Voluntary corrective payment made to rectify fees paid prior to February 1st, 2006.
Fee required when a disclaimer to a patent is submitted.
Fee required when applying for an extension of time (before the expiry of the original time limit).
Fee required when submitting additional pages that exceed the set limit as per the Tariff of Fees.
Fee required on filing an application for a patent, which also includes the basic national fee.
Filing an Amendment after allowance
Fee required when submitting an amendment after allowance.
Fee required on filing an application to reissue a patent.
Fee required once the application has been found allowable.
Late payment fee under ss.3.1(1)
Fee required when there is a clear but unsuccessful attempt to pay a fee, after the expiry of the initial time limit.
Maintenance Fee - Application - New Act
Fee required to maintain in effect an application for a patent filed after October 1st, 1989.
Maintenance Fee - Patent - New Act
Fee required to maintain the rights accorded by a patent filed after October 1st, 1989.
Maintenance Fee - Patent - Old Act
Fee required to maintain the rights accorded by a patent filed before October 1, 1989.
Fee required when requesting re-examination of a claim or claims in a patent.
Registration of a Court Judgement
Fee required on requesting the registration of a Court judgment.
Fee required on requesting the registration of a document for each patent or application to which the document relates
Reinstatement - failure to complete
Fee required to reinstate an abandoned application.
Reinstatement - failure to make bona fide attempt
Fee required to reinstate an abandoned application.
Reinstatement - failure to pay final fee
Fee required to reinstate an abandoned application.
Reinstatement - failure to request examination
Fee required to reinstate an abandoned application.
Reinstatement - failure to respond to examiners report
Fee required to reinstate an abandoned application.
Reinstatement - failure to respond to file appeal
Fee required to reinstate an abandoned application.
Reinstatement - failure to respond to judgement pro tanto
Fee required to reinstate an abandoned application.
Reinstatement - failure to respond to office letter
Fee required to reinstate an abandoned application.
Reinstatement - failure to respond to pre-examination report
Fee required to reinstate an abandoned application.
Reinstatement - failure to submit pages
Fee required to reinstate an abandoned application.
Reinstatement - Non Maintenance Fees
Fee required to reinstate an abandoned application.
Fee required to reinstate an abandoned application.
Fee required to reinstate an abandoned application.
Fee required to reinstate an abandoned application.
Fee required to reinstate an abandoned application.
Reinstatement: Failure to Pay Application Maintenance Fees
Fee required to reinstate an abandoned application.
Fee required when requesting examination.
Fee required on requesting a correction of a clerical error.
Fee required on requesting the advance of an application for examination.
The additional fee for late payment
Additional fee required for late payment when entering PCT National Phase.
Images of the following patent documents are available on this site:
When viewing patent document images, the CIPO Canadian Patents Database will open up a new browser window for each patent document image. If you have requested all five image documents for a patent you will have six browser windows open; one for each image document, and one for the original window.
The site and the network have windows of planned general maintenance activities from Saturday at 6:00 p.m. to Sunday at 4:00 p.m. ET. During this period of time there may be disruptions to the image database or to the site.
Database maintenance is performed each Saturday between 5:00 p.m. and 7:00 p.m. ET. During this period of time images might not be available.
Patent images can be downloaded through standard browser interfaces in Adobe AcrobatTM PDF format. Acrobat Reader is available for free download from Adobe's Web site.
Note: The PDF conversion of the patent document images is limited to 300 pages; the
subsequent pages are consequently not available on the Web. The subsequent parts are available
from the
CIPO Reproduction & Sales Section.
Customer Service: (819) 997-2985 (8:30 a.m. to 4:30 p.m. ET.)
Fax: (819) 953-9969
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