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Expired Canadian patentCanada

Fastener restrainer for framing system

CA 1320365 C · Owner: Unistrut International Corporation · Inventors: Rebentisch, Hugo Edward

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 fastener for use in attaching structural channel members having slots extending along one side of the channel to other channel members or other structural elements. The fastener includes retaining means for holding the fastener in a selected position along the channel slot ready to receive a fastening bolt or the like for connecting the channel member to an additional structural member. The retaining means is designed so that during connection of the structural members the retaining means will be displaced and direct contact between the structural members being attached will be achieved.

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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 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 20, 2010.
  • 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 12, 1989
GrantedJuly 20, 1993
Term endedJuly 20, 2010
Patent numberCA 1320365 C
Classification (IPC)F16B37/04

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedApril 12, 1989Patent grantedJuly 20, 1993Term endedJuly 20, 2010

Sources & verification

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