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Expired Canadian patentCanada

Four-way electrical switch

CA 1192245 A · Owner: Chivas Products Ltd. · Inventors: Smith, Robert J.

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

A four-way electrical switch having a die-cast metal housing, a, set of fixed-contacts disposed in the base of said housing and a central movable-contact assembly disposed within the housing above the fixed-contacts. The die-cast housing serves as a ground contact for the switch. Various provisions are disclosed for assuring good electrical connection between the contacts. Additionally a mechanical strain, relief structure is disclosed. Other important features are described.

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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 20, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 20, 1982
GrantedAugust 20, 1985
Term endedAugust 20, 2002
Patent numberCA 1192245 A
Classification (IPC)H01H19/50 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedJuly 20, 1982Patent grantedAug 20, 1985Term endedAug 20, 2002

Sources & verification

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