Electronic-pneumatic protecting device with pressure automatic control
CA 2045911 C · Owner: Colussi, Rafael A. · Inventors: Venica, Nestor J.; Colussi, Rafael A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Electronic circuit associated with at least one pneumatic circuit, comprised by an interphase block related to a compressor low pressure sensor connecting with the pneumatic circuit by means of check valves and additional sensors per tire to be controlled, for example the shafts of, a system the wheels of which are connected by means of electrovalves. The interphase block is connected with corresponding power outlet blocks represented by the electrovalves. The regulated supply source block the low, pressure sensor block and load blocks are connected to an indication block. In this way, pneumatic circuits are continuously checked and the proper pressure is assured at any time, further the …
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 June 28, 1991 and granted November 16, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 28, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 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.