Flat picture display device
CA 1231368 A · Owner: Standard Elektrik Lorenz Aktiengesellschaft · Inventors: Tischer, Kurt M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
K.M.Tischer 34, Abstract of the Disclosure Flat Picture Display Device, The flat picture display device consists of a troughshapedly designed display screen (9) of glass on the front side, with a layer of phosphor on the inside of, a metallic bulb (1) as the rear side and of a plate-, shaped control structure (8) between an areal cathode (7) and the layer of phosphor. Around the side walls 13 of the display screen (9) there is disposed an implosion protection (14). (Drawing)
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 January 12, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 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.
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.