Illuminated pushbutton assembly
CA 1113985 A · Owner: Westinghouse Electric Corporation · Inventors: Coyle, Forrest E.; Mandel, Alan F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pushbutton assembly illuminated with a plurality of solid state light sources, such as LEDs. The pushbutton assembly includes first and second spaced printed circuit boards which are electrically interconnected via electrical leads which also function to mechanically support the second printed circuit board from the first printed circuit board. The LEDs are mounted on the second printed circuit board immediately adjacent to the front portion of the pushbutton assembly to be illuminated.
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 December 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 8, 1998.
- 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.