Automatic developing machine for photosensitive materials
CA 2129149 A1 · Owner: Nakashima, Yoshihiko · Inventors: Nakashima, Yoshihiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic developing machine is proposed which is more compact. The treating tank communicates with the sub-tank through a return passage and a supply passage. In the latter passage, a pump is provided to circulate a treating solution through the treating tank and the subtank. To the supply passage, a tablet supply unit is connected which supplies tablets containing components for treating photographic materials.
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 July 29, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 29, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 29, 2016.
- 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.