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Expired Canadian patentCanada

Installation tool

CA 1111756 A · Owner: Dennison Manufacturing Company · Inventors: Paradis, Joseph R.

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 tool that is particularly suitable for the installation of objects that require tensioning and severing. A tensioning member is operated through a toggle linkage that collapses When a pre-determined level of tensioning is reached and actuates a cutoff lever. The result is severance of the tensioned object with reduced shock loading. In addition the tool is easy to operate; the tensioning level is accurately and reliably adjustable; and the severed object is controllably ejected from the tool.

Read the whole patent

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 November 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 9, 1977
GrantedNovember 3, 1981
Term endedNovember 3, 1998
Patent numberCA 1111756 A
Classification (IPC)B65B13/00 +2 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedFeb 9, 1977Patent grantedNov 3, 1981Term endedNov 3, 1998

Sources & verification

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