Combined rotary web-fed printing machine, especially for the printing of securities
CA 2022550 C · Owner: Germann, Albrecht Jozef · Inventors: Germann, Albrecht Jozef; Bolza-Schunemann, Hans Bernhard; Schaede, Johannes Georg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The rotary web-fed printing machine has three successively-arranged printing units, namely one offset and two intaglio printing units which are all of a similar design to sheet-fed printing units and in which the cylinders forming the printing nip have a plurality of sectors separated by cylinder pits. Each printing unit has, in front of the printing nip, a first paper-web store and an intermittently controllable first draw-roller unit and, after the printing nip, an intermittently controllable second draw-roller unit and a second paper-web store the, draw-roller units which have only one suction roller being controllable for the forward and backward movement of the web by means of …
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 2, 1990 and granted February 29, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 2, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 2, 2012.
- 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.