Portable apparatus for cleaning surfaces
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United States of America Patent
Stats
-
May 23, 2023
Grant Date -
Jun 10, 2021
app pub date -
Nov 6, 2018
filing date -
Nov 6, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The portable apparatus for cleaning surfaces comprises a tank (2) associated with a base (3), said tank (2) comprising at least one couple of chambers (5) predisposed to contain respective abrasive materials, said chambers (5) being hermetically separated from one another; at least one couple of mixing valves (13) associated with said base (3) and connected with respective said chambers (5) each said mixing valve (13) being predisposed to receive said abrasive material contained in said respective chamber (5) and to mix said abrasive material with a predetermined amount of compressed air.
First Claim
Family
International Classification(s)
Cited Art Landscape
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