Spring-motor dual-functioning mechanism
CA 1164363 A · Owner: Actionair Equipment Limited · Inventors: Lockley, Donald J.; Magill, Robert J.; Perrin, Richard J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For releasing and resetting a releasable and resettable device: a spring-motor dual-functioning mechanism comprising release means to release the device a spring, motor to reset the device, and spring-winding means to rewind the spring motor, the spring motor storage power being sufficient for at least two complete resetting operations of the mechanism.
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 March 27, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2001.
- 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.