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Expired Canadian patentCanada

Film cassette opener for unloading a film from a film cassette and for loading a film in the film cassette

CA 1301136 C · Owner: Tsuyuki, Mikio · Inventors: Seto, Izumi; Tsuyuki, Mikio; Takashima, Yutaka

CIPO record

Overview

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

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Abstract From the Canadian patent

A film cassette opener for unloading a film from and/or, loading the film in, a film cassette capable of accommodating the film. A pair of elongated members are disposed parallel to each other on the opposite sides of a path which enables the film cassette received by the film cassette opener to be moved to a position at which the film can be loaded and/or unloaded. The pair of elongated members are arranged to guide the film cassette along the path by holding opposite sides of the film cassette between them. Also the present, opener is arranged so as to press and move at least one of the elongated members which hold the film cassette therebetween toward the other. Accordingly since the …

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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 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 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.
FiledMarch 8, 1988
GrantedMay 19, 1992
Term endedMay 19, 2009
Patent numberCA 1301136 C
Classification (IPC)B65B5/10 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMarch 8, 1988Patent grantedMay 19, 1992Term endedMay 19, 2009

Sources & verification

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