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Expired Canadian patentCanada

Panel device

CA 1297253 C · Owner: Miller, Melvin M. · Inventors: Miller, Melvin M.

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

This invention is concerned with a panel device which is useful in the display and furniture arts. The panel device incorporates a plurality of vertical supports which engage panel members. The vertical supports are interconnected via a plurality of double hinges. The double hinges consist of a plurality of clip hinge members. Each hinge consists of at least two clip hinge members. Pairs of parallel vertical supports are interconnected by a pair of double hinges said double hinges comprising at least four clip hinge elements. The clip hinge elements are formed from a ribbon of a suitable flexible material. The ends of the clip hinge members incorporate opposing reverse bends which are …

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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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 10, 1986
GrantedMarch 17, 1992
Term endedMarch 17, 2009
Patent numberCA 1297253 C
Classification (IPC)E04B2/74 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedNov 10, 1986Patent grantedMarch 17, 1992Term endedMarch 17, 2009

Sources & verification

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