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Expired Canadian patentCanada

Self-fixtured kinescope

CA 1278816 C · Owner: Rca Corporation · Inventors: Raab, Francis John; O'Mara, Kerry Dennis; Demers, Robert Richard

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 pair of locating washers are applied over the holes in the bottom mounting lugs of the kinescope. The washers have apertures which are precisely referenced with respect to the position of the kinescope screen by using a pair of oppositely-disposed locating marks on the screen. The TV cabinet, on the other hand, is equipped with a pair of tapered guiding posts on the inside front surfaces thereof which are similarly referenced relative to the rectangular opening of the cabinet. When the kinescope is mounted in the cabinet, the cabinet guiding posts are received into the kinescope-mounted locating washers to assure registration between the kinescope screen and the cabinet opening. The …

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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 January 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 24, 1987
GrantedJanuary 8, 1991
Term endedJanuary 8, 2008
Patent numberCA 1278816 C
Classification (IPC)H04N5/64

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 24, 1987Patent grantedJan 8, 1991Term endedJan 8, 2008

Sources & verification

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