Sheet delivery for printing presses or similar
CA 2035937 C · Owner: Heidelberger Druckmaschinen Aktiengesellschaft · Inventors: Ganter, Udo; Henn, Manfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The sheet delivery for a printing press or similar comprises an apparatus for changing the sheet pile while the press is in operation, in which suction-type grippers (10) are insertable into the feeder opposite, to the conveying direction of the sheets (3) between, pile stops (4) for the sheet front edge said suction-, type grippers (10), when in the inserted end position suction-gripping the front edge of a sheet deposited onto the suction-type gripper (10) and holding said sheet at a distance above the sheet pile in an auxiliary-pile position. In order to tauten the sheet after the front edge of the sheet has been suctiongripped, said suction-type grippers (10) are when in, the inserted …
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 February 7, 1991 and granted October 11, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 7, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 7, 2013.
- 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.