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Expired Canadian patentCanada

Deployable truss

CA 1194669 A · Owner: Martin Marietta Corporation · Inventors: Coyner, John V.M. Jr.; Tobey, William H.; Gardner, William J.

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

Abstract of the Disclosure A deployable truss which includes at least one foldable module. Each module includes two fixed frames two gate assemblies, two, base members and diagonal braces which are arranged for folding compactly. Foldable panels can also be attached to the module. The truss can include multiple modules sharing common fixed frames or common gate assemblies.

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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 October 8, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 26, 1983
GrantedOctober 8, 1985
Term endedOctober 8, 2002
Patent numberCA 1194669 A
Classification (IPC)E04C3/04 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedApril 26, 1983Patent grantedOct 8, 1985Term endedOct 8, 2002

Sources & verification

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