Threadably engaged locking mechanism
CA 1304237 C · Owner: Simpson, Harold N. · Inventors: Simpson, Harold N.; Milot, Romeo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A two-part threaded locking mechanism is provided with complementary stop elements in the form of a pin and a recess that interengage when the two lock elements are threaded together. When used as a padlock the locking, mechanism may be encased in a tapered spinnable, protective, shroud. To facilitate assembly the recess may be made, larger than the pin and the surface adjacent the recess facing the pin may be spirally ramped.
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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 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.
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.