Expired Canadian patentCanada
Laser cathode composed of embedded laser gas molecules
CA 1310392 C · Owner: Ford, Carol M. · Inventors: Ford, Carol M.; Podgorski, Theodore J.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a long life cathode for laser generators consisting of a cathode body having an electron emitting surface in which lasing gas molecules are embedded therein.
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 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 28, 1989
GrantedNovember 17, 1992
Term endedNovember 17, 2009
Patent numberCA 1310392 C
Classification (IPC)H01S3/03 +1 more
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.