Patent Yard Sign in
Expired Canadian patentCanada

Segmented gas discharge display panel device and method of manufacturing same

CA 1046572 A · Owner: Owens-Illinois · Inventors: Kupsky, George A.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

There is disclosed an improved gaseous discharge display panel device and process of manufacturing same. A large number of cathode substrate electrode and mask structures are printed and fired on a single glass sheet the, electrodes being printed first and dried/cured at a higher temperature than subsequently applied mask and electrical crossovers, which are cured at lower temperatures. Upon completion of fabrication of the electrode and dielectric mask structures and crossover connections the glass plate, is simply scored and separated to provide individual back substrate and electrode mask structures which are then assembled with a like formed anode plate structure. Individual devices are …

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 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 1996.
  • 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—
GrantedJanuary 16, 1979
Term endedJanuary 16, 1996
Patent numberCA 1046572 A
Classification (IPC)H01J17/48 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJan 16, 1979Term endedJan 16, 1996

Sources & verification

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