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Expired Canadian patentCanada

Electrical switch with rocker actuator having removable locking key

CA 1289996 C · Owner: Lucerne Products, Inc. · Inventors: Sahrbacker, Edward V.

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

An electrical switch actuated by a longitudinally reciprocable electrical contact carrier, with such reciprocation being brought about by a two-piece rocker actuator with one of the actuator pieces comprising a removable locking key which when removed from the actuator assembly prevents movement of the contact carrier and thus prevents actuation of the switch.

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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 October 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2008.
  • 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 8, 1987
GrantedOctober 1, 1991
Term endedOctober 1, 2008
Patent numberCA 1289996 C
Classification (IPC)H01H21/24 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 8, 1987Patent grantedOct 1, 1991Term endedOct 1, 2008

Sources & verification

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