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Expired Canadian patentCanada

Modular building construction and method of building assembly

CA 1298052 C · Owner: Glassco, Robert B. · Inventors: Glassco, Robert B.; Noble, Robert L.

CIPO record

Overview

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

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Abstract From the Canadian patent

Abstract Of The Disclosure A plurality of panels of strawboard are erected in a closed figure, preferably a square on, a foundation and their base edges mechanically secured to the foundation. The side edges of the panels are butted together and joined, for instance using tape and adhesive on both faces. A wall cap of novel construction is mounted to the upper edges and a hip roof, preferably of pyramidal figure and made of corresponding cut panels of like strawboard are fitted in place. The foot of each roof panel fits in the wall cap, and its upper edge typically forms a definition line of the roof hip. The roof panels are similarly united using a tape and adhesive joint. Other types of …

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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 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 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.
FiledNovember 12, 1986
GrantedMarch 31, 1992
Term endedMarch 31, 2009
Patent numberCA 1298052 C
Classification (IPC)E04C2/16

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedNov 12, 1986Patent grantedMarch 31, 1992Term endedMarch 31, 2009

Sources & verification

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