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Expired Canadian patentCanada

Device for protecting a wound

CA 1236358 A · Owner: Craig Medical Products Limited · Inventors: Steer, Peter L.

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 device for wound management permits the application of an apertured pad to the wound and involves the provision of a protective compartment, optionally drained, whose interior is open to the wound and which is normally sealed closed but which can be opened if desired.

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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 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 24, 1984
GrantedMay 10, 1988
Term endedMay 10, 2005
Patent numberCA 1236358 A
Classification (IPC)A61F13/02 +1 more

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedFeb 24, 1984Patent grantedMay 10, 1988Term endedMay 10, 2005

Sources & verification

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