Road maintenance tracklaying vehicle
CA 2243418 C · Owner: Kuhn, Michael · Inventors: Kuhn, Michael; Kanzler, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A road maintenance tracklaying vehicle (1) has an internal combustion engine (2) which drives by means of a gear (3 13, 14) the tumbler (4) of each track (5), and secondary drives (6) for accessory units (7 8, 9) such as rotary , snow plow, front snow blower or for vehicle components (15, 16, 17) such as platform and driver's cab tilting device or chain adjuster. The internal combustion engine (2) is linked to each tumbler (4) by a generator (10) an , electromotor (11, 12) and a gear (13 14). In overrun mode, the electromotor (11, 12) may be switched as a current generator for the accessory drives (6) designed as electro-hydraulic or electric drives (18 19). At least the , electric …
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 April 25, 1997 and granted November 19, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 25, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 25, 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.