Display panel and method of making it
CA 1249120 A · Owner: Burroughs Corporation (Delaware) · Inventors: Andreadakis, Nicholas C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of making a display panel made up of a base plate carrying an array of anodes and an array of cathodes disposed transverse to each other insulating strips on the face plate to space the cathodes from a first apertured plate electrode a, second apertured electrode whose apertures are display cells seated on the first plate electrode and the, face plate assembly carrying an A.C. electrode. According to the method the insulating strips, the, first apertured plate electrode and the second, apertured plate are made by coating the apertured plate electrode on both surfaces with insulating material and photoetchable material, exposing and developing strip patterns in one layer and …
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 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 2006.
- 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.