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Expired Canadian patentCanada

Fibrous and cartilaginous tissue replacement

CA 1304297 C · Owner: Kronman, Joseph H. · Inventors: Kronman, Joseph H.

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

Disclosed is new type of implantable material for replacement of cartilaginous or fibrous tissue. The material has controlled porosity and is biocompatible. A method for making this material is also disclosed. 0507R, 07/13/88

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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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 21, 1988
GrantedJune 30, 1992
Term endedJune 30, 2009
Patent numberCA 1304297 C
Classification (IPC)C08J9/26 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJuly 21, 1988Patent grantedJune 30, 1992Term endedJune 30, 2009

Sources & verification

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