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Expired Canadian patentCanada

Film dressing with fabric backing

CA 1187365 A · Owner: Johnson & Johnson Products, Inc. · Inventors: Thompson, Darrell R.

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 dressing is disclosed which is made of a very thin film coated with an adhesive. In order to allow application of the dressing, the dressing has, on the surface opposite the adhesive, a fabric backing which is composed of a woven or non-woven fabric or a paper backing material. The dressing can be applied to the wound and the fibrous backing then removed, or the fibrous backing may be retained in place.

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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 May 21, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 21, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 9, 1982
GrantedMay 21, 1985
Term endedMay 21, 2002
Patent numberCA 1187365 A
Classification (IPC)A61F13/00 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedDec 9, 1982Patent grantedMay 21, 1985Term endedMay 21, 2002

Sources & verification

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