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Expired Canadian patentCanada

Small-diameter metallic conduit bending machine

CA 1319092 C · Owner: Usui Kokusai Sangyo Kaisha Ltd. · Inventors: Kimura, Sadao

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 small-diameter metallic conduit bending machine comprises a stationary frame with a guide surface a, bending member for pressing a metallic conduit against the stationary frame, and an actuator for moving the bending member via a lever. One end of the lever supporting the bending member is pivoted to the stationary frame at a position lying substantially on the axial center line of the metallic conduit within a central portion of a bend section where the metallic conduit is bent so as to lie along the guide surface of the stationary frame. Thus, the metallic conduit can be readily inserted between the guide surface and the bending member, and two successive bending works can be completed …

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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 June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 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.
FiledJune 26, 1989
GrantedJune 15, 1993
Term endedJune 15, 2010
Patent numberCA 1319092 C
Classification (IPC)B21D9/10 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 26, 1989Patent grantedJune 15, 1993Term endedJune 15, 2010

Sources & verification

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