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Expired Canadian patentCanada

Deflecting yoke device

CA 1080780 A · Owner: Tokyo Shibaura Electric Co. · Inventors: Sannomiya, Takeshige; Kurokawa, Masahiro; Abe, Tadashi

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 front extended portion a pair of facing extending segments, and a rear extended portion mounted on the extending segments which compose a coil separator, are integrally molded. Saddle-type horizontal coil is inserted in a rear extended portion through an opening between the pair of facing extending segments. In this state the horizontal coil are fixed to the rear extended portion of the coil separator by means of spacers.

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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 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 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—
GrantedJuly 1, 1980
Term endedJuly 1, 1997
Patent numberCA 1080780 A
Classification (IPC)H01J29/76 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJuly 1, 1980Term endedJuly 1, 1997

Sources & verification

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