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(12) Patent Application: | (11) CA 2247831 |
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(54) English Title: | ROLLING-CONTACT BEARING |
(54) French Title: | PALIER A CONTACT ROULANT |
Status: | Deemed Abandoned and Beyond the Period of Reinstatement - Pending Response to Notice of Disregarded Communication |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | SMART & BIGGAR LP |
(74) Associate agent: | |
(45) Issued: | |
(22) Filed Date: | 1998-09-25 |
(41) Open to Public Inspection: | 1999-03-26 |
Examination requested: | 2003-09-24 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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A rolling-contact bearing comprises an inner race 12
forced on to a shaft 6, an outer race 14 carried in a wheel,
a pair of seals 18 respectively attached to openings
between the inner and outer races at opposite ends thereof,
and a shield 20 for shutting off each of the openings. The
shields 20 is effective to prevent any deformation of the
seals 18 due to collision of ice or gravel, deterioration
or loss of packed grease due to entrance of moisture into
the bearing, and rusting inside of the bearing.
Un palier à contact roulant comprend une bague intérieure 12 poussée contre un arbre 6, une bague extérieure 14 portée dans une roue, une paire de joints d'étanchéité 18 fixés respectivement aux ouvertures entre la bague intérieure et la bague extérieure aux extrémités opposées, et un élément de protection 20 pour fermer chacune des ouvertures. Les éléments de protection 20 servent à prévenir la déformation des joints d'étanchéité 18 par suite des impacts de glace ou de gravier, la détérioration ou la perte de graisse par suite d'une inflitration d'humidité dans le palier, et la rouille à l'intérieur du palier.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
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Description | Date |
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Application Not Reinstated by Deadline | 2007-10-22 |
Inactive: Dead - No reply to s.30(2) Rules requisition | 2007-10-22 |
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice | 2007-09-25 |
Inactive: Abandoned - No reply to s.30(2) Rules requisition | 2006-10-20 |
Inactive: S.30(2) Rules - Examiner requisition | 2006-04-20 |
Letter Sent | 2003-10-14 |
Request for Examination Received | 2003-09-24 |
All Requirements for Examination Determined Compliant | 2003-09-24 |
Request for Examination Requirements Determined Compliant | 2003-09-24 |
Application Published (Open to Public Inspection) | 1999-03-26 |
Classification Modified | 1998-11-19 |
Inactive: IPC assigned | 1998-11-19 |
Inactive: First IPC assigned | 1998-11-19 |
Inactive: Filing certificate - No RFE (English) | 1998-11-02 |
Inactive: Inventor deleted | 1998-11-02 |
Inactive: Inventor deleted | 1998-11-02 |
Inactive: Inventor deleted | 1998-11-02 |
Application Received - Regular National | 1998-10-30 |
Abandonment Date | Reason | Reinstatement Date |
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2007-09-25 |
The last payment was received on 2006-08-09
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Patent fees are adjusted on the 1st of January every year. The amounts above are the current amounts if received by December 31 of the current year.
Please refer to the CIPO
Patent Fees
web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Registration of a document | 1998-09-25 | ||
Application fee - standard | 1998-09-25 | ||
MF (application, 2nd anniv.) - standard | 02 | 2000-09-25 | 2000-08-28 |
MF (application, 3rd anniv.) - standard | 03 | 2001-09-25 | 2001-09-04 |
MF (application, 4th anniv.) - standard | 04 | 2002-09-25 | 2002-08-21 |
MF (application, 5th anniv.) - standard | 05 | 2003-09-25 | 2003-08-11 |
Request for examination - standard | 2003-09-24 | ||
MF (application, 6th anniv.) - standard | 06 | 2004-09-27 | 2004-07-12 |
MF (application, 7th anniv.) - standard | 07 | 2005-09-26 | 2005-07-12 |
MF (application, 8th anniv.) - standard | 08 | 2006-09-25 | 2006-08-09 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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NTN CORPORATION |
Past Owners on Record |
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MARCUS AUGUST WICKERT |
RICHARD LESLIE THOMAS |
TAKAHIRO KANAMOTO |
TSUTOMU MIZUTANI |