Truck-mounted grease collection system
CA 2180670 C · Owner: Onken'S Incorporated · Inventors: Onken, Donald R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved container for heating grease in a truck including a waste grease holding tank and a heating tank for immersion of a waste grease container into a vat of hot water for loosening the grease in the waste grease container so that the grease in the waste grease container can be dumped into the grease holding tank of the truck. The vat of hot water includes three double walled sides in which an upper edge of the double walls include a plurality of spaced hot water inlet apertures and the bottom of the double wall include fewer smaller drain apertures. The same three sides include hot water flow areas through which hot water flows in order to heat water in the heating tank. 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
- Filed July 5, 1996 and granted May 30, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 5, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2018.
- 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.