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Expired Canadian patentCanada

Slide switch

CA 1107331 A · Owner: Stackpole Components Company · Inventors: Sykora, Allan J.; Overton, Arthur W.

CIPO record

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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 switch housing covering an elongated base has a top wall spaced from a plurality of fixed contacts mounted along the base for engagement by a bridging contact carried by a slider inside the housing. The top wall of the housing is provided with a slot extending inwardly from one end and having a pair of side walls formed from downturned areas of the top wall, each of which is provided with an upwardly extending notch. A lever disposed in the slot normally extends above the housing, with the lower end of the lever provided with laterally projecting trunnions extending through the side wall notches. The lower end of the lever outwardly beyond the trunnions extends …

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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 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 17, 1979
GrantedAugust 18, 1981
Term endedAugust 18, 1998
Patent numberCA 1107331 A
Classification (IPC)H01H17/02 +1 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedAug 17, 1979Patent grantedAug 18, 1981Term endedAug 18, 1998

Sources & verification

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