Appliance door latch and switch operated thereby
CA 1050088 A · Owner: Whirlpool Corporation · Inventors: Deschaaf, Clifford L.; Spiegel, Ray W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved latch structure for releasably locking a door to a cabinet including switch structure for permitting operation of electrical apparatus associated therewith to be operated only when the door is in the latched closed position. The switch is hidden within the door behind the latch bolt so as to be operated substantially only by the strike which has a preselected configuration to effect the latching and switch operating operations. The bolt may be operated manually to release the door from the latched condition and in the, illustrated embodiment, an improved pivotally mounted operator is provided for effecting the desired unlatching movement of the bolt.
Read the whole patent
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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.