Expired Canadian patentCanada
Electronic current sensor and controller for automatic power antenna
CA 1068379 A · Owner: Chrysler Corporation · Inventors: Kraus, Richard A.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, An electronic current sensor and controller for automatically controlling the extension and retraction of a power antenna with the energization and de-energization of an automobile radio receiver.
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 December 18, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 18, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedDecember 18, 1979
Term endedDecember 18, 1996
Patent numberCA 1068379 A
Classification (IPC)G05B11/01 +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.