Photographic processing apparatus
CA 2111764 A1 · Owner: Eastman Kodak Company · Inventors: Fyson, John Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is well known to replenish photographic processing apparatus and to treat used solutions so that unwanted material is removed therefrom which may be deleterious to final product. Described herein is a unit which contains both replenisher chemistry and clean-up chemistry. The unit (10) comprises a plurality of compartments (20, 22, 24, 26 30, 34), each of which contains either replenisher chemistry or clean-up chemistry. Each compartment (20 22, 24, 26, 30, 34) is connectable to the appropriate stage of the processing apparatus.
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 17, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 17, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 17, 2015.
- 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.