Patent Yard Sign in
Expired Canadian patentCanada

Process for reducing the friction coefficient and wear between a metallic piece and an organic polymer or copolymer piece; use thereof in articular prothesis and sockets working in a marine environment

CA 1340046 C · Owner: Rabbe, Louis Marie · Inventors: Rieu, Jean Francois Emile; Rabbe, Louis Marie; Rambert, Andre

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

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 September 15, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 23, 1989
GrantedSeptember 15, 1998
Term endedSeptember 15, 2015
Patent numberCA 1340046 C
Classification (IPC)B29C71/04 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedMay 23, 1989Patent grantedSep 15, 1998Term endedSep 15, 2015

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.