Discharge lamp with offset or tilted arc tube
CA 2026850 C · Owner: Musco Corporation · Inventors: Gordin, Myron K.; Drost, James L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A discharge lamp with offset or tilted arc tube includes a glass envelope or bulb which surrounds an arc tube. One end of the bulb has a threaded mount for securement into a lamp socket. The arc tube is supported inside the bulb in a position whereby the longitudinal axis of the arc tube is offset from the longitudinal axis of the bulb.
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 October 3, 1990 and granted August 21, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 3, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 3, 2012.
- 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.