Printing method for producing gradient images
CA 2217524 A1 · Owner: Apple, Bernard A. · Inventors: Thomas, Jule W.; Apple, Bernard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention describes an apparatus for recording a gradient image on transparent media comprising: at least one solid phase change ink; a solid image element; a heating system capable of melting the solid phase change ink to form a molten phase change ink and capable of melting the solid image element to form a molten image element; a printing head capable of receiving the molten phase change ink and the molten image element and depositing them in an imagewise pattern onto a transfer surface; a transfer surface capable of receiving the imagewise pattern; a cooling mechanism for cooling the molten phase change ink and the molten image element in the imagewise pattern to form a …
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 October 6, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 6, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 6, 2019.
- 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.