Expired Canadian patentCanada
Bilateral switching device
CA 1295053 C · Owner: Huang, Jack S.T. · Inventors: Huang, Jack S.T.; Forssell, Per N.
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 bilateral switch device capable of, conducting a current therethrough established by a first control signal and ended by an alternate control signal and having a low "on" resistance.
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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 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.
FiledNovember 28, 1988
GrantedJanuary 28, 1992
Term endedJanuary 28, 2009
Patent numberCA 1295053 C
Classification (IPC)H01L29/74 +2 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.