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Expired Canadian patentCanada

Apparatus for dyeing a fabric material

CA 1292365 C · Owner: Yoshida Kogyo K.K. · Inventors: Sekiguchi, Seizo; Kasai, Tomoaki

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

An apparatus for dyeing a fabric material comprising a semicircular dye vessel having at opposite ends upwardly directed openings, a first conduit and second conduit connected at one end to the respective openings of the vessel a dye feed box with a jet nozzle and a deflecting means operatively associated with the jet nozzle. The fabric material is a narrow strip of tape bonded at both ends to form a loop. The deflecting means is rotatable in the first conduit for deflecting the flow of fabric material and dye liquid at an angle of approximately 45° with respect to the vertical axis of the first conduit, the fabric material being oriented to form a succession of loops deposited one upon …

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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 November 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 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 21, 1988
GrantedNovember 26, 1991
Term endedNovember 26, 2008
Patent numberCA 1292365 C
Classification (IPC)D06B3/28

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedOct 21, 1988Patent grantedNov 26, 1991Term endedNov 26, 2008

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