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Expired Canadian patentCanada

Steering wheel pad keyboard switch assembly

CA 1258110 A · Owner: General Motors Corporation · Inventors: Engler, Philip J.; Graf, Jerry A.; Lu, Song-Chin S.

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 steering wheel pad keyboard switch assembly is mounted on a steering wheel. The preassembled switch assembly comprises a base, a printed circuit board which has an array of open contact grids, an elastomeric switch member which has an array of movable contacts a guide plate and a, push button sub-assembly. The guide plate has a plurality of guide bosses and guide holes disposed in the same predetermined array for guiding the stem pieces of the push buttons into operative contact with the movable contacts of the switch member and a pad portion for supporting a horn switch. The push button sub-assembly comprises a frame member which is attached to the base to …

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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 August 1, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 1, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 20, 1986
GrantedAugust 1, 1989
Term endedAugust 1, 2006
Patent numberCA 1258110 A
Classification (IPC)H01H9/00 +2 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedOct 20, 1986Patent grantedAug 1, 1989Term endedAug 1, 2006

Sources & verification

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