Complex valve assembly for hydraulic circuits, in particular for the power unit
CA 2415146 A1 · Owner: Ibatici, Luca · Inventors: Ibatici, Luca
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The valve assembly of the invention comprises a one-piece body (10) having in its interior a single main axial cylindrical cavity (11) of rectilinear axis, communicating via an outer mouth with at least one outer face (10a) of the one-piece body (10) and first channels (13, 14, 14', 15) communicating with said main cavity (11) and connected to the delivery side (13) of a liquid pressurizing pump to the, discharge, and to at least one user take-off (16) respectively; inserted into the one-piece body (10), a cylindrical cartridge (20) having an axial second cavity (21) coaxial with the main cavity (11) which, cartridge engages the surface of the main cavity (11) and is arranged to create, …
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 December 24, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 24, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 24, 2024.
- 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.