Liquid extraction machine and method for cleaning floor surfaces
CA 2299089 A1 · Owner: Alto U.S. Inc. · Inventors: Fulghum, Trent A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An extraction machine for cleaning a floor surface such as carpeting, has a, cleaning solution dispenser capable of dispensing a cleaning solution onto the surface, being cleaned and a diluting solution dispenser capable of dispensing a diluting, solution onto the floor surface. The diluting solution is substantially different from, the chemical cleaning solution. A recovery system is included for extracting a dirty, solution from the floor surface. The cleaning solution dispenser diluting , solution, dispenser and recovery system are arranged on the extraction machine relative to each, other such that as the extraction machine is moved over a segment of the floor surface, in a …
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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
- Filed February 22, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 22, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 22, 2022.
- 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.