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Expired Canadian patentCanada

Container and viewer for photographic prints

CA 1103490 A · Owner: Licinvest Ag · Inventors: Ackeret, Peter

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 container for accommodating a variable number of photographic prints is disclosed. The container comprises an enclosure having a print compartment confining the prints in a pile and defining a viewing window through which a print is displayed. The enclosure also has operable means providing access into the print compartment for removing the pile of prints, and a backing device having print-engaging means in spaced and confronting relation with the window to confine the pile including a variable number of prints therebetween. The backing device also includes variable means adjacent the compartment for variably changing the spacing between the print-engaging means and the window to lift 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 June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 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.
FiledSeptember 19, 1978
GrantedJune 23, 1981
Term endedJune 23, 1998
Patent numberCA 1103490 A
Classification (IPC)G02B27/02 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedSep 19, 1978Patent grantedJune 23, 1981Term endedJune 23, 1998

Sources & verification

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