Coded electronic lock for doors and windows
CA 2327900 A1 · Owner: Godoy, Alain · Inventors: Godoy, Alain; Godoy, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a cordless electronic lock with a variable "automatic" code having at least one main bolt (4) operated by an electric motor (M) and controlled by an electronic circuit. A storage cell (A) integrated into the lock is used to supply the elements with electricity; said storage cell can itself be supplied with power from an external source (if necessary). A remote control transmits a coded signal (encoded list) to which the transmission code automatically adapts. The receiver verifies (on its own list) the codes received and "activates the motor". the lock is thus comprised of at least the following elements: one transmitter unit (key); a receiver; a circuit for controlling the …
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 April 3, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 3, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 2020.
- 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.