Multi-color, single-plate printing press
CA 2124693 A1 · Owner: Rieker, Paul T. · Inventors: Rieker, Paul T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A printing unit system produces multi-color printing employing a single plate cylinder (11) of a first diameter and a pair of blanket cylinders (20, 21) of a second diameter one half that of the plate cylinder. The blanket cylinders impact associated impression cylinders (25, 26), also of the second diameter at the paper, path and, in one embodiment the two impression cylinders mate, with a transfer cylinder (31). By using blanket and impression cylinders having portions with different diameter multi-color, superimposed images are printed two colors at a time. The images for, the various colors are produced on a single film under computer control (70) for creation of plates for mounting …
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 September 28, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 28, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 28, 2015.
- 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.