Photographic processor with magnetic film carriage and drive
CA 1052161 A · Owner: Kreonite · Inventors: Landers, Richard D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Photographic film developing apparatus comprises a sequence of adjacent, horizontally aligned chambers communicating with each other at their top and bottom portions. Each is adapted to contain a selected film-treating fluid agent. An infeed port communicates with one terminal chamber of the sequence and a discharge port with the other. Magnetic carriages mounting releasable film grips are dimensioned to traverse the chambers trailing the film behind them. The carriages are actuated by a magnetic element mounted for reciprocation adjacent the chambers and associated with a reciprocating drive. Reciprocation of the magnetic element in a vertical plane drives the carriages and the film …
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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 April 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 1996.
- 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.