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Expired Canadian patentCanada

Parallel thread supply

CA 1163530 A · Owner: Berger, Johann · Inventors: Berger, Johann; Berger, Josef

CIPO record

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

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Abstract From the Canadian patent

1-, TITLE:, Parallel Thread Supply, ABSTRACT: A textile material for supplying parallel threads to a machine for manufacturing two-dimensional textile fabrics. The material is loosely woven and has a low number of withdrawable weft loops 3 per unit length. Immediately prior to entering an end-product machine left thread 2 is withdrawn to the side, so that the remaining group 1 of threads enters the machine. The material passes over braked rollers 31,32 and a bar 35. Retainer stitches 7 are unravelled and the weft thread 2 is passed through a guide 55 onto a transport device 57.

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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 March 13, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 2001.
  • 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 29, 1983
GrantedMarch 13, 1984
Term endedMarch 13, 2001
Patent numberCA 1163530 A
Classification (IPC)D03D47/42

Timeline

Timeline From CIPO dates

198419861988199019921994199619982000Application filedJune 29, 1983Patent grantedMarch 13, 1984Term endedMarch 13, 2001

Sources & verification

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