Snowplow leveling device
CA 2026760 C · Owner: Jones, Daniel K. · Inventors: Jones, Daniel K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A snowplow leveling system is described for use on a standard plow mounting structure having a reversing table mounted to a plow blade system and rotatably mounted on a support frame. The support frame is pivotally mounted about a horizontal axis onto a motor vehicle which has an elevatable lifting point. The snowplow leveling device is mounted on the support bar of the reversing table. The leveling device may include two slider mechanisms mounted on support tracks located on opposite ends of the support frame of the reversing table. Positioning struts hingedly connect the slider mechanisms to the support frame. Additionally a, lifting chain connected at each end to the slidable mechanisms …
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 October 2, 1990 and granted January 26, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 2, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 2, 2012.
- 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.