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Expired Canadian patentCanada

Rolling door drive assembly

CA 1288783 C · Owner: Jones, Richard Evan · Inventors: Jones, Richard Evan; Billows, Mitchell John

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 rolling door drive, assembly is provided comprising a chassis, a final drive, unit rotatably mounted to the chassis for operating the door, a motor fixed with respect to the chassis drive, means interconnecting the motor and the final drive unit housing means defining a mounting channel on the assembly remote from the final drive unit, the mounting channel extending transversely to the axis of rotation of the final drive unit and adapted to receive part of a mounting bracket, mounting means extending into the mounting channel in a direction parallel to the axis for engagement with the mounting bracket.

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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 September 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 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.
FiledApril 15, 1987
GrantedSeptember 10, 1991
Term endedSeptember 10, 2008
Patent numberCA 1288783 C
Classification (IPC)E06B9/70 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 15, 1987Patent grantedSep 10, 1991Term endedSep 10, 2008

Sources & verification

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