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Expired Canadian patentCanada

Opposed reaction transmission brake

CA 1183372 A · Owner: Case Corporation · Inventors: Coons, Robert R.; Mylander, Richard H.; Prokop, Josef F.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A tractor vehicle transmission is provided with a two piston brake where each piston operates in opposite directions. A pair of gears are spaced apart and the brake resides between them. Thus upon actualization the brake will contact each gear causing retardation of the gear its, attendant shaft, and the transmission as a whole allowing simpler shifting of the transmission.

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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 March 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 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 22, 1982
GrantedMarch 5, 1985
Term endedMarch 5, 2002
Patent numberCA 1183372 A
Classification (IPC)F16H3/12 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedJuly 22, 1982Patent grantedMarch 5, 1985Term endedMarch 5, 2002

Sources & verification

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