Waste transporter
CA 1284516 C · Owner: Heisson, Gary J. · Inventors: Heisson, Gary J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hot waste oil or shortening transport device comprising an elongated wholly closed tank or the like with an entry-exit chute at one end and wheels on the other end. A handle at the chute end serves to wheel the tank to a disposal point where the chute acts as a fulcrum by which to pivot the tank up and pour out the contents, with the greatest safety. The device cannot be set upright in which position it would be liable to upset or knock-over.
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 May 28, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 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.