Film guidance apparatus
CA 1080267 A · Owner: Hope, Stephen F. · Inventors: Hope, Henry F.; Hope, Stephen F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Improved quality and flexibility of development in automatic film processing machines is achieved by mounting a special film guidance apparatus ahead of the first processing tank. This film guidance apparatus determines the paths along which the various film strips are introduced into the processing machine. The film guidance apparatus has transport rollers forming at least one nip, in front of which there are vanes spaced apart across the width of the transport rollers. These vanes subdivide the space in front of the nip into several channels, with side walls formed by the vanes. Each film strip is introduced into the processing machine by first passing it between the adjacent vanes and, …
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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 June 24, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 1997.
- 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.