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Expired Canadian patentCanada

Loom for weaving

CA 1052236 A · Owner: Bonetti, Danillo · Inventors: Bonetti, Danillo

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

A weaving loom including a shed forming drum a, plurality of rollers defining the circumference of the drum having longitudinal axes arranged parallel to the axis of the drum, each roller having mutually spaced disc portions for deflecting warp threads passing over the disc portions outwards of warp threads passing between the disc portions so as to define a plurality of sheds at the drum circumference means for guiding the warp threads around the drum over successive rollers, and means for inserting weft threads into the sheds during the passage of the drum.

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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 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 10, 1979
Term endedApril 10, 1996
Patent numberCA 1052236 A
Classification (IPC)D03C13/00 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedApril 10, 1979Term endedApril 10, 1996

Sources & verification

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