Central tire inflation system
CA 1309331 C · Owner: Oltean, Jerry Maurice · Inventors: Schultz, Gary Richard; Oltean, Jerry Maurice
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air circuit for a central tire inflation system having a relief valve (158) in the air circuit to provide the necessary pressure drop for deflation and having make up air from a source (S) bleed into the air circuit via one of two normally closed solenoid actuated valves (164, 174). The make up air is connected via a small orifice (214) when a solenoid (192) associated with a deflate valve (164) or shut off valve (174) is energized.
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
- Granted October 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 2009.
- 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.