Variable cutoff offset press unit
CA 2258331 C · Owner: Erbstein, Bob · Inventors: Erbstein, Bob
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fixed cutoff press is adapted to a variable cutoff press while maintaining thesize of the blanket cylinders. A plate cylinder is mounted on a frame and includes a plate cylinder sleeve and a blanket cylinder is mounted on the frame includes with a, gapless blanket cylinder sleeve. The gapless blanket sleeve contacts the plate cylinder sleeve at a first nip. The press has an impression plate mounted on the frame in the case of a non-perfecting press or an identical mirror image assembly of plate and blanket cylinders in the case of a perfecting press. A material to be printed passes through a second nip. Inkers are provided for transferring an ink film to the plate cylinder sleeve the ink …
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 January 19, 1999 and granted December 30, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 19, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 19, 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.