Electric gas discharge lamp having current feed through with integral positioning tongues
CA 1135762 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Cornelissen, Gerardus A.P.M.; Van Herck, Andre J.B.M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Electric discharge lamp having a cylindrical ceramic discharge vessel, closed in n vacuum-tight manner the wall of which incorporates a current feedthrough member, which extends to outside the discharge vessel and is provided there, for bearing on the discharge vessel with at least one outwardly-extending tongue formed by disturbing the outer surface Or the current feedthrough member.
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 November 16, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 1999.
- 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.