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Expired Canadian patentCanada

Glazing assembly and method for glazing a building

CA 1284713 C · Owner: House, Richard M. · Inventors: House, Richard M.; White, Harold J.; Vaughn, Worsel

CIPO record

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

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Abstract From the Canadian patent

A glazing assembly for the exterior of a building comprises glazing structures each having rigid channel forming members bonded about its perimeter. The channels so formed are oriented open to the periphery of the structure. Pressure plates are inserted in the channels of the glazing structures and are, fastened to structural members of the building by mechanical means such as screws. Each pressure plate coacts with a channel member and preferably with channel members of adjacent glazing structures to mechanically secure the structures in place on the building without the appearance of external frame members. The resulting assembly provides continuous glazing for the exterior walls of the …

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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 11, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 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.
FiledApril 23, 1987
GrantedJune 11, 1991
Term endedJune 11, 2008
Patent numberCA 1284713 C
Classification (IPC)E04B2/88 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 23, 1987Patent grantedJune 11, 1991Term endedJune 11, 2008

Sources & verification

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