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Expired Canadian patentCanada

Video cassette auto-changer

CA 1305554 C · Owner: Nonaka, Wataru · Inventors: Nonaka, Wataru; Hirata, Eiichi

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

In a video cassette auto-changer which includes a plurality of reproducing and/or recording devices or VTRs and a plurality of cassette storage bins arrayed in horizontal and vertical directions and each adapted to store a cassette therein; a cassette transporting apparatus for selectively transporting cassettes between the storage bins and the VTRs comprises fixed horizontal upper and lower guide rails along which upper and lower sliders are movable a movable guide rail extending vertically between the sliders and pivotally connected to the latter at ends of the movable guide rail, a carriage movable vertically along the movable guide rail, a horizontal drive connected with the sliders for …

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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 July 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 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.
FiledApril 8, 1987
GrantedJuly 21, 1992
Term endedJuly 21, 2009
Patent numberCA 1305554 C
Classification (IPC)G11B15/68

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedApril 8, 1987Patent grantedJuly 21, 1992Term endedJuly 21, 2009

Sources & verification

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