Method of reusing substrate for image presentation
CA 1091007 A · Owner: Shade Incorporated · Inventors: Porter, Erland C. Jr.; Tess, Thomas H.; Shade, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of reusing a substrate such as a plastic film by subjecting the same to xerography to place an image thereon, utilizing the image carrying substrate for its intended purpose, and thereafter removing the image from the substrate through the use of a solvent for the particles creating the xerographic image whereby the substrate is suitable for reuse.
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 December 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 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.