Film feed device
CA 2124658 C · Owner: Noritsu Koki Co. Ltd. · Inventors: Oku, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A film feed device for feeding films connected to a leader to a negative carrier one after another. A guide block is provided at a film inlet side of the negative carrier provided along the exposure axis. Film feed units having film passage thereon are provided on the guide block. A feed unit having a pair of pulleys and a timing belt is mounted under the guide block to move the guide block in a direction perpendicular to the feed direction of the films. Ahead of the guide block is provided a cutter device to cut the two films when the rear end of the leader reaches the cutter device. The film aligned with the film inlet of the negative carrier is supplied thereto and printed. Then, by …
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 May 30, 1994 and granted January 5, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 30, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 30, 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.