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Expired Canadian patentCanada

Workholder for sewing machine

CA 1330179 C · Owner: Mim Industries, Inc. · Inventors: Frye, Ricky J.

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 clamp foot of a programmable, industrial sewing machine is made to hold a workpiece in which a pattern of stitches is to be formed according to a recorded program. The needle of such machines operates in a fixed location and the clamp foot moves the workpiece around on the sewing surface of the machine according to the stitching program to create the desired pattern. Different configurations or sizes of workpieces require different clamp feet, and it is essential that they be changed quickly. It is also essential that each configuration of clamp foot have a predetermined location relative to the support means to which it is attached. This invention includes a first attachment structure …

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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 14, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2011.
  • 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 15, 1988
GrantedJune 14, 1994
Term endedJune 14, 2011
Patent numberCA 1330179 C
Classification (IPC)D05B3/00

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedAug 15, 1988Patent grantedJune 14, 1994Term endedJune 14, 2011

Sources & verification

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