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Expired Canadian patentCanada

Paging receiver

CA 1208297 A · Owner: Nec Corporation · Inventors: Yamada, Kazumori; Akahori, Masaaki

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 paging receiver includes a noise detector for detecting an external noise component applied to a housing of the paging receiver, and a reset circuit having a timer which is started in response to an output from the noise detector and which generates a reset pulse to reset other components of the paging receiver in the initial standby state.

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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 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 24, 1984
GrantedJuly 22, 1986
Term endedJuly 22, 2003
Patent numberCA 1208297 A
Classification (IPC)H04B1/16 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedFeb 24, 1984Patent grantedJuly 22, 1986Term endedJuly 22, 2003

Sources & verification

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