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Expired Canadian patentCanada

Tool coupling device

CA 1265663 C · Owner: Santrade Limited · Inventors: Hoffman, Karl Christer; Korner, Ulrich

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

The present invention relates to a tool coupling device comprising a coupling element (10) attachable to a machine tool and a tool adapter (11) intended to clamp a tool for chip forming machining. A plug (18) on the adapter (11) is related to a contact surface (30;38) that is intended to be in engagement with a correspodning contact surface (29;37) related to the coupling element (10), said engagement clamping the adapter (11) against the coupling element (10).

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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 February 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 7, 1986
GrantedFebruary 13, 1990
Term endedFebruary 13, 2007
Patent numberCA 1265663 C
Classification (IPC)B23B31/10

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedMay 7, 1986Patent grantedFeb 13, 1990Term endedFeb 13, 2007

Sources & verification

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