Expired Canadian patentCanada
Image transfer film unit with surface layer having an array of open-ended capillaries over the imaging layer
CA 1181977 A · Owner: Eastman Kodak Company · Inventors: Williams, John V.; Molaire, Michel F.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An image transfer film unit is disclosed in which a surface capillary layer is provided to supply processing liquid uniformly to an imaging portion of the film unit.
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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 February 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 5, 1983
GrantedFebruary 5, 1985
Term endedFebruary 5, 2002
Patent numberCA 1181977 A
Classification (IPC)G03C8/52 +1 more
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.