Device for superposing sheets of paper or the like
CA 2329983 A1 · Owner: Bowe Systec Ag · Inventors: Koelle, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for superposing sheets of paper (1,2) comprising a lower vacuum , conveyance unit (7) for one row of sheets of paper (R1) and an upper vacuum conveyance unit (7') for another row of sheets of paper (R2). The ends (11a 11b;11'a) of the vacuum conveyance units (7 7') can be adjusted independently , from each other crosswise to the direction in which the paper advances (P). One vacuum conveyance unit (7, 7') can be adjusted in a slanted position in relation to the direction in which the paper advances (P) so that it cuts across the vacuum conveyance unit on the opposite side.
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 April 17, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 17, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 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.