Electrical lamp base and socket assembly
CA 2103431 A1 · Owner: General Electric Company · Inventors: Mazza, Lawrence T.; Heindl, Raymond A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an electrical lamp base and socket assembly for mechanically holding and supplying power to an electrical lamp, having a vitreous envelope, allowing mainly axial motion for the lamp and avoiding any turning motion over a certain angle during its insertion into and removal from the socket. The lamp base and socket are made of insulating material and the, lamp base has slot on its surface while the socket has mechanical means with spring mechanism and protruding parts engaging the slot of the socket.
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 November 18, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 18, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 18, 2015.
- 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.