Patent Yard Sign in
Expired Canadian patentCanada

Hand held motion picture viewer

CA 1094591 A · Owner: G A F Corporation · Inventors: Lewis, Alan G.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Abstract of the Disclosure, A hand held motion picture viewer includes a housing having a recess formed in one end of the housing for carrying a film cartridge, and a viewing aperture in the opposite end of the housing through which the images on the film in the cartridge may be viewed. The housing carries a film driving mechanism for engaging and advancing the film within the cartridge past the viewing aperture. The film driving mechanism includes a battery operated motor, a claw journaled for rotation within the housing and positioned to engage sprocket holes in the film when the cartridge is carried within the recess of the viewer, and a gear transmission means connected between the …

Read the whole patent

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 January 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 27, 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.
FiledDecember 18, 1978
GrantedJanuary 27, 1981
Term endedJanuary 27, 1998
Patent numberCA 1094591 A
Classification (IPC)G03B21/00 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedDec 18, 1978Patent grantedJan 27, 1981Term endedJan 27, 1998

Sources & verification

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