Push button switch with lens cap
CA 2035342 A1 · Owner: Martin, Adolf H. · Inventors: Martin, Adolf H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A push button switch has an electrical contact module an enlarged halo for retaining a switch actuator and a legend plate, and a halo adapter for attaching the halo to the electrical contact module. The halo and the halo adapter define a housing for the switch actuator which actuator has legs extending through the halo adapter for engaging a spring biased contact carrier in the electrical contact module. The contact carrier pushes the switch actuator against a first protection formed on the halo. An actuating force applied to a lens cap of the actuator overcomes the bias of the contact barrier causing the switch actuator to travel inside the housing and come to rest against a wall of the …
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
- Filed January 31, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 31, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 31, 2013.
- 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.