Expired Canadian patentCanada
Tie rod and knuckle arm safety attachment
CA 577656 A · Owner: St. Aubin, Nestor · Inventors: St. Aubin, Nestor
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordRead 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 16, 1959. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 1976.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 28, 1959
GrantedJune 16, 1959
Term endedJune 16, 1976
Patent numberCA 577656 A
Classification (IPC)F16P
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.