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Expired Canadian patentCanada

Woven multi-layer angle interlock fabrics and methods of making same

CA 1323286 C · Owner: Hitco Carbon Composites, Inc. · Inventors: Pusch, Richard Herbert; Miller, Wilbur Thomas; Calamito, Dominic Pierre

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

A multi-layer angle interlock fabric is woven from warp yarns that extend in straight fashion in a common direction along the length of the fabric and fill yarns which repeatedly extend through the thickness of the fabric along angled paths between opposite broad surfaces of the fabric and interweave within the relatively straight warp yarns. The fabric can be woven using a conventional fly shuttle loom with a programmable Jacquard machine which controls the loom's harness lines to selectively raise and lower the fill yarns extending through a weaving area of the loom as the loom shuttle reciprocates through the weaving area to repeatedly extend a fill yarn across the width of the fabric …

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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 October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 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.
FiledSeptember 25, 1989
GrantedOctober 19, 1993
Term endedOctober 19, 2010
Patent numberCA 1323286 C
Classification (IPC)D03D11/00 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedSep 25, 1989Patent grantedOct 19, 1993Term endedOct 19, 2010

Sources & verification

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