Shoe press
CA 2219688 A1 · Owner: Leitenberger, Werner · Inventors: Schuwerk, Wolfgang; Schiel, Christian; Leitenberger, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Shoe press that includes a first and second roll. The first roll may include a first flexible roll sleeve positioned to circulate around a first stationary carrier and at least one first shoe and, the at least one first shoe may include a substantially flat support surface for an interior side of the first flexible roll sleeve. The second roll may include an endless belt positioned to circulate around a second carrier and at least one second shoe and the at least one second shoe may be supported on the second carrier and may include a substantially flat support surface. The substantially flat support surfaces of the at least one first and the at least one second shoes may be arranged to …
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 October 30, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 2019.
- 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.