Photographic processing cassette
CA 1310220 C · Owner: De Prijcker, Jozef P. · Inventors: De Prijcker, Jozef P.; Domen, Albrecht F.; Zwijsen, Jan A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Photographic processing cassette A photographic processing cassette (35) for the processing of a photographic silver halide emulsion layer element which comprises :, - a developing tray (38) arranged for co-operation with a lick roller (39) for the application of developer liquid to the photographic element, - a holder (64) with developer liquid and rupturable wall means (44) through which a fluid connection between the holder and the tray may be established, - a rupturable draining area (75) in the developer liquid circuit and, - liquid absorption means (40) located underneath said rupturable draining area. (Fig. 2)
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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
- 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.