Expired Canadian patentCanada
Hollow cathode glow discharge ring laser angular rate sensor
CA 1298905 C · Owner: Oskam, Hendrik J. · Inventors: Lind, Bruce J.; Oskam, Hendrik 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
A ring laser angular rate sensor construction utilizes an anode-cathode configuration which generates a glow discharge region in the propagation path of the laser beams.
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 April 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 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.
FiledAugust 26, 1987
GrantedApril 14, 1992
Term endedApril 14, 2009
Patent numberCA 1298905 C
Classification (IPC)H01S3/08 +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.