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Expired Canadian patentCanada

Panel assembly and a panel element for a panel assembly

CA 1072715 A · Owner: Camus, Raymond F.E. · Inventors: Camus, Raymond F. E.

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 panel assembly for constructing a building comprising, a plurality of panel elements in juxtaposed relation. The panel elements are generally rectangular and have peripheral rims and a flange extending from each of a pair of opposed sides of the rims. The panel elements have a lightweight core of hard plastic foam with a fiber glass reinforced resin covering and reinforcement rods (e.g. at the corners of the panel element) embedded in the resin and bonded to the core and the covering. An apertured reinforcing plate is preferably welded to each of a pair of adjacent reinforcement rods on a panel element. A stud bolt secures a panel element to a juxtaposed panel element or another …

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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 March 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 4, 1980
Term endedMarch 4, 1997
Patent numberCA 1072715 A
Classification (IPC)E04B1/62 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedMarch 4, 1980Term endedMarch 4, 1997

Sources & verification

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