Patent Yard Sign in
Expired Canadian patentCanada

Moulded components and their manufacture

CA 1289326 C · Owner: Crompton Design Manufacturing Limited · Inventors: Crompton, Geoffrey

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A glazing bead has an outer skin formed in two parts. The two parts are formed by moulding a cloth or paper of glass fibre or other suitable fibrous material impregnated with phenolic resin containing one or more frits and ceramic powder or fibre. The two moulded parts are joined together and the resultant cavity therebetween filled with a mixture of phenolic resin containing one or more frits and ceramic powder or fibre, or sodium silicate containing one or more frits and ceramic powder or fibre.

Read the whole patent

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 September 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 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.
FiledFebruary 11, 1988
GrantedSeptember 24, 1991
Term endedSeptember 24, 2008
Patent numberCA 1289326 C
Classification (IPC)B27N3/02 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedFeb 11, 1988Patent grantedSep 24, 1991Term endedSep 24, 2008

Sources & verification

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