Raw sewage drying apparatus
CA 1315975 C · Owner: Kishi, Mitsuhiro · Inventors: Sunaoka, Toyohiko; Kishi, Mitsuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A raw sewage drying apparatus such as for a, portable toilet. The apparatus has an outer casing with an opening in an upper portion thereof and an outer, cover for covering the opening. An inner casing made of a heat resistent material is housed in the outer casing. The inner casing has an opening in an upper portion thereof, and an inner cover for covering the opening. A heating device heats the inner casing. A rotatable drive shaft unit is provided in the inner casing and a, plurality of blades are fixed to the drive shaft unit for stirring the raw sewage stored in the inner casing. A plurality of heating balls are contained in the inner casing for heating the raw sewage.
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 April 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 13, 2010.
- 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.