Vehicle
CA 1323646 C · Owner: Balmer, Charles · Inventors: Balmer, Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A field sprayer is self propelled and includes a frame with an engine mounted on the frame, four wheels hydraulically driven a tank and a boom supported, by the frame and extending outwardly to the sides. The frame includes a longitudinally beam, a front transverse channel and a rear transverse channel. Each of the channels supports a pair of axle members separately pivotal about axis adjacent the centre line of the frame. Each axle member includes a horizontal portion which can be extended onthe-go and a vertical portion which is attached to the wheel. A gas spring is connected between the channel and the upper surface of the axle member. Articulated steering is provided by a vertical pin …
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 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 2010.
- 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.