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Expired Canadian patentCanada

Tone arm mountings for phonographs

CA 599655 A · Owner: Fontaine, John G. · Inventors: Fontaine, John G.

CIPO record

Overview

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

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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 14, 1960. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 1977.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 31, 1955
GrantedJune 14, 1960
Term endedJune 14, 1977
Patent numberCA 599655 A
Classification (IPC)G11B3/10 +1 more

Timeline

Timeline From CIPO dates

19561959196219651968197119741977Application filedJan 31, 1955Patent grantedJune 14, 1960Term endedJune 14, 1977

Sources & verification

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