Embossable sheet material comprising a base sheet of a stress-whitening elastomer modified poly (methylmethyacrylate)
CA 1046183 A · Owner: Dymo Industries · Inventors: Chazan, David J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An embossing machine tape is provided employing a film of a stress whitening, substantially transparent elastomer-modified methyl methacrylate polymer, normally employed in combination with a non-stress whitening, opaque, normally colored polymeric film, backing. In usual applications an adhesive coating is applied to, the backing and protected by a releasable liner. The stress whitenfilm provides sharply delineated symbols without fracture when, embossed, and substantially free of ghosts in the usual embodiment.
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 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 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.
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.