Sewage treatment apparatus
CA 1111819 A · Owner: Sloan Valve Company · Inventors: Pilolla, Joseph J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sewage treatment apparatus for use in a toilet room comprises a casing with an inlet for reception of sewage and a discharge outlet. There are means within a chamber in the casing for the chemical treatment and agitation of the sewage to reduce the sewage to a substantially sterile slurry. There is a series of valves within the casing to control the passage of the sewage after it has been treated to be directly discharge through the casing outlet or optionally, discharged to a connected remotely located holding tank.
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 November 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 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.