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Expired Canadian patentCanada

Method of production of standard size dwellings using a movable manufacturing facility

CA 2226873 C · Owner: Cohen, Roger Blair · Inventors: Cohen, David Leslie; Cohen, Roger Blair

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

The method of manufacturing standard size dwellings (D) using a movable manufacturing facility (100) brings standard size home building comprehensively within a controlled factory environment. The main structure of the movable manufacturing facility is sufficiently tall to allow assembly and movement of standard size homes within. Multiple independent production lines (P1-P5) are established to each produce portions of the dwelling in the form of subassemblies. Finishes, cabinets, appliances roofs, paint, etc. are , installed in the partially completed dwellings prior to houses leaving the production floor. The movable manufacturing facility allows a standard size home under …

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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

  • Filed July 1, 1996 and granted April 23, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 1, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 1, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 1, 1996
GrantedApril 23, 2002
Term endedJuly 1, 2016
Patent numberCA 2226873 C
Classification (IPC)E04B1/35 +1 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedJuly 1, 1996Patent grantedApril 23, 2002Term endedJuly 1, 2016

Sources & verification

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