Patent Yard Sign in
Expired Canadian patentCanada

Friction material

CA 1288360 C · Owner: Danko, Donald M. Jr. · Inventors: Danko, Donald M. Jr.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A friction facing material comprising a fluorocarbon resin binder containing elemental carbon is disclosed for use in torque-transmitting applications in the presence of a transmission fluid or oil. The friction facing material is characterized by a sable dynamic coefficient of friction. A method of making the friction facing material and incorporating it into torquetransmitting apparatus is also disclosed.

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 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2008.
  • 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 20, 1986
GrantedSeptember 3, 1991
Term endedSeptember 3, 2008
Patent numberCA 1288360 C
Classification (IPC)F16D65/04

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMay 20, 1986Patent grantedSep 3, 1991Term endedSep 3, 2008

Sources & verification

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