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Expired Canadian patentCanada

Structural assembly for display of pictorial matter

CA 1101669 A · Owner: Lindquist, Carl G. · Inventors: Lindquist, Carl G.

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

This invention relates to the display of pictorial matter such as paintings, water colors, photographs graphic art, or other two-, dimensional art. The invention consists of a structural assembly in the form of a display box, or kit of parts from which such a box can be constructed, having a front frame with an inner cut-out portion through which the pictorial matter is viewed, and means to locate the pictorial matter in a variety of distances and dispositions recessed behind the front frame. The pictorial matter may be disposed parallel to the viewing frame, at an angle thereto, or in two or more angles relative to the viewing frame, or in a curvilinear surface.

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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 May 26, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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.
FiledJuly 24, 1978
GrantedMay 26, 1981
Term endedMay 26, 1998
Patent numberCA 1101669 A
Classification (IPC)G09F1/12

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJuly 24, 1978Patent grantedMay 26, 1981Term endedMay 26, 1998

Sources & verification

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