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Expired Canadian patentCanada

Solenoid operated transcriber mechanism

CA 1072675 A · Owner: Lanier Business Products Company · Inventors: Kobayashi, Minoru; Miyazi, Kazumi

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 transcriber i.e. a tape recorder for exclusive use in a sound reproduction comprises a mechanism for permitting a pinch roller and a reproducing magnetic head to be brought to a condition ready for operation by closing a main switch and a, playback switch and a backspace switch both designed to make an on-off operation by a person's foot.

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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 February 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedFebruary 26, 1980
Term endedFebruary 26, 1997
Patent numberCA 1072675 A
Classification (IPC)G11B15/10 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedFeb 26, 1980Term endedFeb 26, 1997

Sources & verification

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