Improvements in vehicle suspensions
CA 2246607 A1 · Owner: Miller, Eric John · Inventors: Glazier, Mark; Miller, Eric John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lightweight goods vehicle has a chassis frame or subframe whose rear end can be lowered to the ground by de-pressurising the air in air suspension units (80) for the rear axle. The air suspension units (80) act between the chassis longitudinal members and the axle (74) and the axle is further controlled by modified leaf spring members (82A, 82B) which are articulated together at (86) and connected at their rear end by means of rear links or shackles (32) to the chassis member. The air bags (94) are preferably arranged in tandem to either side of the axle (74) and may be connected by a separate base plate (90) and saddle (92) to the axle (74) where the spring position is outboard …
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 February 17, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 17, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 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.