Method of manufacturing a colour television display tube
CA 1164928 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Bakker, Gijsbertus; Groot, Theodorus C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a method of manufacturing a colour television display tube, marks for the positioning of the display window are provided on the funnel part of the tube. Upon providing the marks for example, studs, reference surfaces recesses or ribs, the funnel, part is fixed in a centring device which fixes in the funnel part a reference point to which the provision of the marks is referenced. The reference point is situated in or substantially in the deflection centre of a deflection device provided afterwards on the funnel part.
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 April 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2001.
- 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.