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Expired Canadian patentCanada

Device for assembling fabric layers, particularly designed for manufacturing industry machines

CA 1315562 C · Owner: Necchi - Societa Per Azioni · Inventors: Negri, Piero; Bisson, Flavio

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 is directed to a device for assembling fabric layers having a simple construction. The device comprises two plates connected to each other one carrying a plurality of needles and the other having a series of corresponding holes; the two plates may be brought near to each other, so that the needles jut out from the holes to transfix the fabric layers and may be, removed so that the plate with the holes slips off the fabric layers from the needles. A locking mechanism is provided which locks, in an unlockable manner the two, plates in their approached position.

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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 April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 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 1, 1989
GrantedApril 6, 1993
Term endedApril 6, 2010
Patent numberCA 1315562 C
Classification (IPC)D05B21/00 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 1, 1989Patent grantedApril 6, 1993Term endedApril 6, 2010

Sources & verification

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