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Expired Canadian patentCanada

Demountable interior partition system, components therefor, and method of making such components

CA 1107028 A · Owner: Hauserman, Inc. · Inventors: Davenport, Joseph A.; Raith, Richard L.

CIPO record

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

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Abstract From the Canadian patent

Inventor: Richard L. Raith and Joseph A. Davenport Title: DEMOUNTABLE INTERIOR PARTITION SYSTEM COMPONENTS, THEREFOR, AND METHOD OF MAKING SUCH COMPONENTS ABSTRACT OF THE DISCLOSURE, An interior partition system wherein with relatively few components most of which can be roll formed from common sets of roller dies a wide variety, of interior screens or full height partitions can be constructed thus avoiding the, necessity of the manufacture and inventory of a large number of parts. For some parts, where volume may not justify the investment in the required roll sets other, manufacturing techniques may be employed but such parts are readily compatible, with the high volume components and …

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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 August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 1998.
  • 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 2, 1979
GrantedAugust 18, 1981
Term endedAugust 18, 1998
Patent numberCA 1107028 A
Classification (IPC)E04B2/72 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedMarch 2, 1979Patent grantedAug 18, 1981Term endedAug 18, 1998

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