Lamp/reflector unit
CA 1111811 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Grewe, Franz J.; Wilhelm, Dieter; Kuhnert, Volker
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The light bulb (1) of a lamp/reflector unit (1, 21, 26) can be mounted in a very simple and rapid manner in a reflector member (21) so as to be accurately aligned therewith in that a metal support plate (9) is placed on the pinch seal (3) of the light bulb (1) and is secured in a tubular metal support member (15) in an aligned manner by soldering or welding the said metal, support member being supported by a metal support pin (19).
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 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 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.