Viewing carrier for photographic sheets
CA 1108446 A · Owner: Licinvest Ag · Inventors: Baur, Max; Ackeret, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A picture viewer is disclosed for the alternate exposure of individual rectangular sheets from a pile of sheets. It comprises an enclosure having a viewing window and a compartment with sufficient depth to accommodate such a pile, one end of the compartment being disposed at the window to display a sheet through the window another side of the, compartment having an access opening and means permitting separation, of one sheet from one end of the pile and adding it to the pile at the other end thereof. Such means includes: pile support means opposite the viewing window and pile suppression means adjacent the window a, separator bar extending parallel to congruent edges of the sheets in the …
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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 September 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 1998.
- 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.