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Expired Canadian patentCanada

Removable door hinge system

CA 1058032 A · Owner: General Electric Company · Inventors: Wilson, Arthur C.; Rice, Frank L.

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

An appliance such as a domestic oven, with a removable oven door hinged to the appliance. The hinge system includes a pair of hinge mechanisms where each mechanism includes a stationary bracket supporting a pivoted door guide, a spring-loaded hinged lever carried by the door guide and a, separable mating member in the door for cooperation with the door guide. The door guide includes a self-supporting wire spring that is operable whenever there is a partial removal of the door from the door guide to cause a locking action between the door guide and the support bracket. When the door is reinstalled on the hinge mechanism, the wire spring is unlocked from the support bracket so the door may be …

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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 July 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 10, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJuly 10, 1979
Term endedJuly 10, 1996
Patent numberCA 1058032 A
Classification (IPC)F24C15/02 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 10, 1979Term endedJuly 10, 1996

Sources & verification

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