Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1990-06-08
1991-12-31
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15322, 15314, A47L 538
Patent
active
050759205
ABSTRACT:
A standard size receptacle for use with a vacuum system, said receptacle extending through a wall, the receptacle carrying a housing for fastening to a wall, the housing having disposed therein a fluid supply and a vacuum inlet, the fluid supply incorporating a quick connect and a check valve.
REFERENCES:
patent: 965315 (1910-07-01), Moorehead
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patent: 2867231 (1959-01-01), Gerstmann
patent: 2989769 (1961-06-01), Houser
patent: 3173164 (1965-03-01), Congdon
patent: 3180071 (1965-04-01), Nolte
patent: 3705437 (1972-12-01), Rukavina et al.
patent: 3774262 (1973-11-01), Anthony et al.
patent: 4158248 (1979-06-01), Palmer
patent: 4580309 (1986-04-01), Ogden
patent: 4800613 (1989-01-01), Blase et al.
Hughes Ivor M.
Hughes Neil H.
Moore Chris K.
Salmon Carl
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