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Expired Canadian patentCanada

Floating operating and release point switch

CA 1329414 C · Owner: Blair, James F. · Inventors: Blair, James F.

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, A switch actuator providing a floating operating and release point switch including a base, a plunger having an exposed operating end mounted for movement on the base a, mount for relatively movable switch contacts on the base and a friction piece normally grasping the plunger so as to be movable therewith and yet be relatively movable with respect to the plunger when movement of the friction piece is resisted. The friction piece is oriented with respect to the mount such that movement of the friction piece may effect relative movement between relatively movable switch contacts mounted to the base.

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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 10, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2011.
  • 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 28, 1988
GrantedMay 10, 1994
Term endedMay 10, 2011
Patent numberCA 1329414 C
Classification (IPC)H01H13/52 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJuly 28, 1988Patent grantedMay 10, 1994Term endedMay 10, 2011

Sources & verification

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