Gravel spreader
CA 1107115 A · Owner: Kitt, Edward A. · Inventors: Kitt, Edward A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An Apparatus for spreading loose material such as, gravel, on a surface. The apparatus comprises an elongate material spreader for positioning generally parallel to the surface a distance above the surface. A frame extends forwardly and above the spreader to a pivotal connector for connecting the apparatus to a hopper trailer between the trailer and the surface. A first material retainer extends forwardly from the front of the spreader near one end of the spreader. A second material retainer extends forwardly from the front of the spreader. The first retainer is positionable a distance from the second retainer so that when, the material is distributed from the trailer a distance from the …
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 August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 1998.
- 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.