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Expired Canadian patentCanada

Hydroentangled elastic and nonelastic filaments

CA 1290928 C · Owner: Austin, Jared A. · Inventors: Hagy, M. Dexter; Austin, Jared A.

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

An elastic nonwoven fabric is made up of staple textile fibers or wood pulp, or both hydroentangled with an elastic web or net of a thermoplastic elastic polymer.

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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 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 18, 1988
GrantedOctober 22, 1991
Term endedOctober 22, 2008
Patent numberCA 1290928 C
Classification (IPC)D04H1/49

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedOct 18, 1988Patent grantedOct 22, 1991Term endedOct 22, 2008

Sources & verification

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