Cathode ray tube apparatus
CA 1205509 A · Owner: Sony Corporation · Inventors: Chiba, Tomosuke; Kato, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid cooled cathode ray tube is disclosed which includes a cathode ray tube with a planar front panel coated with a phosphor screen, a metal heat radiator and spacer surrounding the planar front panel a planar, transparent panel supported by the metal heat radiator a, spaced distance from the planar front panel sealant on the, planar surfaces and sealing the heat radiator to the planar front panel and the planar transparent panel to form a closed sealed liquid retaining chamber and transparent, coolant filling the sealed liquid retaining chamber the, heat radiator having a fin extending inwardly from the inner wall thereof.
Read the whole patent
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 3, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.