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Expired Canadian patentCanada

Prefabricated house including molded elements

CA 1322093 C · Owner: Vendramini, Dante · Inventors: Vendramini, Dante

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

A prefabricated house comprises a plurality of adjacent radial molded elements (101 to 1018) which are assembled together to form a low dome. The house has a central support structure (12) in the form of a shaft erected on a floor slab (14) and each of the molded element has an outer wall (42) formed by a sandwich of composite material and forming a part both of the roof and of the side wall of the house. The outer wall (42) is delimited by a top edge (44) for connection to the central support structure (12), a bottom edge (48) for connection to the floor slab (14), and two side edges (52 54), for assembly to two corresponding side edges (56 58) belonging, to two adjacent elements.

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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 September 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 14, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 29, 1989
GrantedSeptember 14, 1993
Term endedSeptember 14, 2010
Patent numberCA 1322093 C
Classification (IPC)E04H3/00 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedSep 29, 1989Patent grantedSep 14, 1993Term endedSep 14, 2010

Sources & verification

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