Soil leveling apparatus with improved frame and hitch
CA 1293635 C · Owner: Mork, Orlan H. · Inventors: Mork, Orlan H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An improved soil leveling apparatus includes a frame, connecting hitch means, and adjustable lost motion linkage secured to the top connection point of the hitch and an optional scarifier assembly which is supported on a connector pivoted between the legs of the hitch. The scraper member of the frame is of generally inverted J-shaped cross section, and tine subassemblies can be substituted for the teeth on the scarifier assembly.
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 December 31, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 2008.
- 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.