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Expired Canadian patentCanada

Telephone set structure having a member capable of being inserted in invertible position

CA 1237211 A · Owner: Nec Corporation · Inventors: Suzuki, Takeshi

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 telephone set structure including a handset unit and a base unit is disclosed. The base unit includes a casing, a mounting member provided with a manipulable section made up of a power switch and a volume control switch on one of opposite side faces, and a non-manipulable section comprising a speaker grill on the other side face the mounting member being inserted into the casing with the opposite side faces invertibly positioned and a handset, coupling section for fixing the handset in position and covering the casing in which the mounting member has been received.

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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 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 5, 1985
GrantedMay 24, 1988
Term endedMay 24, 2005
Patent numberCA 1237211 A
Classification (IPC)H04M1/02 +1 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedJuly 5, 1985Patent grantedMay 24, 1988Term endedMay 24, 2005

Sources & verification

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