Security code learning method and apparatus
CA 2460113 C · Owner: Domenz, Meryldine · Inventors: Domenz, Meryldine; Fitzgibbon, James J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A barrier movement operator is disclosed which learns wirelessly transmitted access codes during a learn mode and subsequently in an operate mode receives wireless transmissions and determines whether action should be taken by consulting the learned access codes. Methods and apparatus are included which can be used to prohibit the learning of unauthorized. access codes.
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 March 4, 2004 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 4, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 4, 2026.
- 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.