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Expired Canadian patentCanada

Remote control levered self adjust actuator

CA 1285855 C · Owner: Spease, Arthur L. · Inventors: Spease, Arthur L.

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

The assembly includes a support member (16) adapted to be connected to a support structure and the conduit (12) includes a slider member (28) slideably through the support member (16). The slider member (28) slideably disposed in a passageway (24) extending longitudinally through the support member (16). The slider member (28) includes a plurality of locking teeth (64) spaced an equal distance apart longitudinally along the slider member (28). The support member (16) includes a guideway (38) which supports a latch member (42) with a single tooth (66) for engagement with the locking teeth (64) of the slider member (28). The assembly is characterized by a cap member (48) which connects the …

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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 July 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 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 16, 1987
GrantedJuly 9, 1991
Term endedJuly 9, 2008
Patent numberCA 1285855 C
Classification (IPC)F16C1/22

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 16, 1987Patent grantedJuly 9, 1991Term endedJuly 9, 2008

Sources & verification

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