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Expired Canadian patentCanada

Staple wire belt cartridge

CA 1195801 A · Owner: Swingline Inc. · Inventors: Olesen, Paul

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 wire belt cartridge for a staple forming and driving tool employing a vertical front portion of a staple head base and a sheath to provide a space for a reciprocating former member and driver. A spring urges the base toward the sheath with spacer lugs maintaining a defined distance between base and sheath. A belt is fed through an opening in the base by the cartridge which protrudes into an opening and the belt advancing means is held inoperative by a forming tang during a portion of the forming and driving stroke to prevent movement of the staple wire during critical periods of such stroke. The former is moved during the forming and driving stroke through a path which permits former lugs …

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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 October 29, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 28, 1982
GrantedOctober 29, 1985
Term endedOctober 29, 2002
Patent numberCA 1195801 A
Classification (IPC)B25C5/02

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedJuly 28, 1982Patent grantedOct 29, 1985Term endedOct 29, 2002

Sources & verification

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