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Expired Canadian patentCanada

Reel bar loading mechanism with outwardly pivoting guide rails

CA 1311734 C · Owner: Valmet-Dominion Inc. · Inventors: Kremar, Djuro

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A reel bar loading device is provided having sloping storage rails located above the driving roll. The storage rails are pivotally connected at their lower ends to second rails. The second rails have upper end portions, downwardly sloping portions and lower end portions. The second rails in a first position are in alignment with the first rails and provide a continuum of the track permitting the reel to descend the second rails into an awaiting transfer arm mechanism. The second rails are pivotal outwardly precluding movement of a reel from the first rails and allowing the transfer arm mechanism to move into a winding position. A pair of lowering arms engage the reel at the opposite ends of …

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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 December 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 22, 2009.
  • 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 6, 1989
GrantedDecember 22, 1992
Term endedDecember 22, 2009
Patent numberCA 1311734 C
Classification (IPC)B65H19/30

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedApril 6, 1989Patent grantedDec 22, 1992Term endedDec 22, 2009

Sources & verification

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