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Expired Canadian patentCanada

Lashing machine

CA 1287792 C · Owner: Vrenning, Jorgen · Inventors: Vrenning, Jorgen

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 lashing machine for lashing together mutually intersecting elongated members with the aid of U-shaped wire ties particularly for lashing together concrete reinforcement rods comprises a magazine for wire ties; means for dispensing ties singly from the magazine in a manner such that respective ties can be caused to engage over two mutually crossing elongated members at their mutual point of intersection; and a twisting or lashing head for receiving, holding and twisting together the limbs of respective ties. In accordance with the invention, the lashing head comprises two mutually opposing pivotable jaws which define therebetween a slot-like opening for receiving the limbs of respective …

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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 August 20, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 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.
FiledAugust 25, 1987
GrantedAugust 20, 1991
Term endedAugust 20, 2008
Patent numberCA 1287792 C
Classification (IPC)E04G21/12 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedAug 25, 1987Patent grantedAug 20, 1991Term endedAug 20, 2008

Sources & verification

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