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Expired Canadian patentCanada

Self-adjusting magnetic sensor

CA 1237506 A · Owner: General Motors Corporation · Inventors: Vukovich, William J.; Costello, Scott M.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure A sensing mechanism has a retainer ring which is secured in an aperture formed in a housing in which the sensor is to operate. The retainer ring has a plurality of tabs which cooperate with axial and circumferential slots on the sensor to permit removal and replacement of the sensor without the need for adjustment. On original installation of the sensing mechanism, the retainer ring is positioned in the housing aperture by radially extending tines cooperating with the aperture. A resilient member permits the mechanism to be installed to a depth deeper than the operating depth. The resilient member urges the sensor axially, as permitted by a gap between the …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 17, 1985
GrantedMay 31, 1988
Term endedMay 31, 2005
Patent numberCA 1237506 A
Classification (IPC)G08C21/00 +2 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedApril 17, 1985Patent grantedMay 31, 1988Term endedMay 31, 2005

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.