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Expired Canadian patentCanada

Large capacity display stand for photos and the like

CA 1234370 A · Owner: Wallo, William H. · Inventors: Wallo, William H.

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

A large capacity display stand for sleeves carrying graphic material, the stand being especially adapted to be constructed as a wire-form structure providing a frame having sleeve suspending arms with transition guides for manipulation of the sleeves into and out of generally upright viewing position on supporting bar fingers superposed in spaced relation to the arms, and the upright sleeves resting against a combination handle and sleeve rest.

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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 22, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 22, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 23, 1985
GrantedMarch 22, 1988
Term endedMarch 22, 2005
Patent numberCA 1234370 A
Classification (IPC)A47F3/00

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedOct 23, 1985Patent grantedMarch 22, 1988Term endedMarch 22, 2005

Sources & verification

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