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Expired Canadian patentCanada

Floor loaded platform truss

CA 1282932 C · Owner: Mosier, Leo D. · Inventors: Mosier, Leo D.

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

An improvement in the art of bowstring roof truss construction comprising an altered web pattern in which the diagonal and vertical webs, normally converging at points alternately within the geometric confines of the top chord and the bottom chord, intersect or converge rather at points intermediate between top and bottom chord on massive vertical webs. This system facilitates more head room and walk-through space where a tributory floor is framed into the bottom chord of the truss. This system comprises (1) an arched top chord with intersecting vertical and diagonal webs (2) displaced, intersection points of the diagonal webs onto the massive vertical webs, (3) a suspension assembly to …

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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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 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.
FiledMarch 24, 1986
GrantedApril 16, 1991
Term endedApril 16, 2008
Patent numberCA 1282932 C
Classification (IPC)E04B1/32 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMarch 24, 1986Patent grantedApril 16, 1991Term endedApril 16, 2008

Sources & verification

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