Humidity protected radiation-responsive switch
CA 1164197 A · Owner: Gte Products Corporation · Inventors: Kling, Michael R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
D-23,686, HUMIDITY PROTECTED RADIATION-RESPONSIVE SWITCH ABSTRACT, A multilamp photoflash unit responsive to either a high pulse potential source or a low voltage source includes normally open (N/O) switches having a composition which includes an admixture of silver carbonate and/or silver oxide, titanium dioxide and a blended binder of polystyrene and thermoplastic.
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 27, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2001.
- 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.