Expired Canadian patentCanada
Surgical retractor holder
CA 1182014 A · Owner: Codman & Shurtleff, Inc. · Inventors: Bookwalter, John R.; Cabrera, Rene J.; Guay, George W.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A quick-release ratcheting holder for a surgical retractor which includes a spring detent to keep the holder from coming off the ring member when the retractor is relaxed.
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 February 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 26, 1982
GrantedFebruary 5, 1985
Term endedFebruary 5, 2002
Patent numberCA 1182014 A
Classification (IPC)A61B1/32 +2 more
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.