Method and apparatus for dispensing ink to a printing press
CA 2340736 A1 · Owner: Ryan, Garth S. · Inventors: Ryan, Garth S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for dispensing ink to an ink fountain (10) of a printing press. A flexible bag (16) of ink is utilized and is compressed for forcing the ink into the fountain (10) and a sensor (94) determines the level of ink in the fountain and thus controls the force on the bag that is, the , compression on the bag. The flexible bag (16) of ink is subjected to a compressor, which can be a flexible air-filled bladder (22) which applies a force against the ink bag (16) to compress the bag and to force ink therefrom , and into the ink fountain (10).
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 August 4, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 4, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 2021.
- 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.