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Expired Canadian patentCanada

Fire retardant plastics cellular material

CA 1265636 C · Owner: Phoenix Foam Inc. · Inventors: Miutel, Alexander; Shira, Jerry P.

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

This invention relates to a plastics material with a resin binder having a combination of fusible fillers and high temperature fillers. The fusible fillers begin melting at relatively low temperatures and retain a spreaded liquidous form over a large temperature range. The high temperature fillers resist melting at high temperatures and form an insulative layer over the resin binder of the plastics cellular material.

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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 February 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 2007.
  • 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 14, 1984
GrantedFebruary 6, 1990
Term endedFebruary 6, 2007
Patent numberCA 1265636 C
Classification (IPC)C08L51/08 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedFeb 14, 1984Patent grantedFeb 6, 1990Term endedFeb 6, 2007

Sources & verification

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