Low cost transfer ink coating
CA 1088381 A · Owner: White Consolidated Industries, Inc. · Inventors: Dyas, Harold E.; Hurwitz, Harold S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A low cost transfer ink coating comprising a, polyhydroxyl alcohol, a non-drying oil a wax, a kaoline-, type clay, and a dye for use on a transfer sheet which, is used in making master sheets for the printing of multiple copies therefrom and a method of making such transfer ink coating.
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 October 28, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 28, 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.