Arrangement in a biological dry toilet
CA 1098654 A · Owner: Aga Heating Ab · Inventors: Miettinen, Tapani
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Arrangement in a biological dry toilet Abstract of the Disclosure, Arrangement in a biological dry toilet by means of which soil improvement agent can be prepared from organic household waste, such as food left-overs and excrements. The arrangement comprises a tank a means, of for supplying waste, and a stairway on which the waste is arranged to be supplied from the supply means. The stairway comprises a plurality downwards inclined steps and intermediate ventilation slots. The stairway is further divided into two sections arranged to receive alternately by means of a shiftable distributing means the waste fed to the stairway.
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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 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 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.