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Expired Canadian patentCanada

Spring-biased take-up clamp assembly for mobile home tie-down straps

CA 1057031 A · Owner: A. B. Chance Company · Inventors: Odom, James T.

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

An improved spring-biased take-up clamp assembly for elongated tie-down elements such as cables ropes or mobile home, tie-down straps is provided which permits simplified infinitely, adjustable take-up and tightening of the tie-down element with secure locking at any desired position and without the use of conventional turnbuckles or other devices using interference-fit structure for spindle-retaining purposes. In preferred forms the assembly includes a rotatable take-up mandrel or spindle for a tiedown element, an apertured mounting plate fixed to the upper end of an embedded earth anchor, and a motion-checking snubber spring operatively coupled between the strap spindle and mounting plate …

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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 June 26, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJune 26, 1979
Term endedJune 26, 1996
Patent numberCA 1057031 A
Classification (IPC)F16G11/12 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJune 26, 1979Term endedJune 26, 1996

Sources & verification

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