Transparent article and method of making the same
CA 1089798 A · Owner: Shatterproof Glass Corporation · Inventors: Veigel, Neil D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transparent article having improved abrasion resistance, and method of making the same which comprises a, body of transparent glassy siliceous material having a smooth continuous surface and a continuous film of chromium silicide sputter-coated on said continuous surface to a thickness of from about 200 to 1,000 .ANG..
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 November 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 1997.
- 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.