Biological dry-toilet
CA 1054307 A · Owner: Asko-Upo Oy · Inventors: Nieminen, Taisto T.; Miettinen, Tapani J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Biological dry-toilet The subject of the present invention is a biological dry-toilet which comprises, - a box-shaped frame, - a seat portion on top of the frame - a lid pivotably mounted on the seat portion - a composting space placed inside the frame the opening, of which space is at least partly placed underneath the seat portion, - a flap construction or equivalent placed at the bottom section of the seat portion, which flap construction is in the, position of readiness of the dry-toilet arranged so that it, at least partly closes the seat portion from underneath and which can be turned from the position of readiness to the emptying position, - separator means for at least partly …
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 15, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 15, 1996.
- 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.