Pulsed metal halide salt source
CA 1316975 C · Owner: Gte Products Corporation · Inventors: Rothwell, Harold L. Jr.; Garrity, Donald F. Jr.; English, George J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a new type of colored light source especially well suited for use as a signal and/or navigational aid. The source is also adaptable to many other applications requiring momentary flashes of a particular color of light. The mercury-free pulsed metal halide light source, of the present invention comprises in combination: (a) a light transmissive glass vacuum outer jacket;, (b) a light transmissive glass arc tube disposed within said outer jacket;, (c) emissive material comprising at least one metal halide salt and an inert gas; and (d) an anode and a cathode, disposed within said arc tube, forming a gap therebetween;, said cathode being completely covered …
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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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.