Illuminated display sign
CA 1107065 A · Owner: Westinghouse Electric Corporation · Inventors: Sherwood, Edward F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
47,911, ABSTRACT OF THE DISCLOSURE, An illuminable sign which includes a panel having an opening therein. A lens assembly, which includes at least one magnetic member on its outer periphery is mountable in, the opening from the front side of the panel. The lens assembly is removably secured in the opening via one or more permanent magnets mounted adjacent to the opening on the back side of the panel, which attract the magnetic member or members.
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 August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.