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Expired Canadian patentCanada

Composting device for toilet and kitchen waste

CA 1316634 C · Owner: Ylosjoki, Matti Juhani · Inventors: Ylosjoki, Matti Juhani

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention relates to a composting device for toilet and foodstuff waste to be used in connection with a toilet. In the device according to the invention, the upper portion of a rotating compost container 6 provided with a filtering floor 9 is divided into four sections to keep apart compost materials of different degree of composting. The compost container is positioned partially within the toilet room so that the toilet seat 5 is positioned immediately or substantially immediately above the cover of the composting device. In this way, the natural aeration will not cause the smell of the compost material to enter the toilet room when the cover of the toilet is opened. In the compost …

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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 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 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.
FiledAugust 31, 1989
GrantedApril 27, 1993
Term endedApril 27, 2010
Patent numberCA 1316634 C
Classification (IPC)A47K11/02 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedAug 31, 1989Patent grantedApril 27, 1993Term endedApril 27, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.