Photographic cassette and method of dispensing
CA 1284911 C · Owner: Niedospial, John J. · Inventors: Muller, Bruce R.; Niedospial, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved photographic cassette in which the plate and screen adjacent the front cover on the tube side of the cassette is unsecured to the front cover: that is, free floating, thereby achieving more uniform sheet-to-plate contact throughout the entire area of the sheet. The cassette also has a pressure plate and means forming a part of the pressure relieving means for engaging and holding the floating plate against the front cover upon actuation of the cassette pressure relieving means. The floating plate engaging and holding means facilitates separation of the pressure and floating plates and unblocking of the cassette entry slot by the floating plate to allow a sheet to freely enter …
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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 18, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2008.
- 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.