Transfer sheet for marking
CA 2006012 C · Owner: Tomiyama, Takeshi · Inventors: Tomiyama, Takeshi; Hashimoto, Sadaaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a transfer sheet for marking which comprises a base sheet a releasant, layer, a layer of printed design or like marking (printed layer), a layer of pressure-sensitive adhesive and a release sheet, all superposed in this sequence the, transfer sheet being characterized in that an application film consisting of a film and an adhesive layer is provided over the exposed surface of the printed layer after removing the base sheet and the releasant layer from the transfer sheet.
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
- Filed December 19, 1989 and granted April 5, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 19, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2011.
- 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.