Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2011-01-18
2011-01-18
Redding, David A (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S373000, C015S401000
Reexamination Certificate
active
07870639
ABSTRACT:
A spray extraction nozzle for taking in liquids which have been applied to a surface includes a suction duct which ends in a suction mouth, and a spray nozzle, as well as an adapter for working on surfaces which have different properties. The adapter is connected to the spray extraction nozzle through a pivot axis, and the adapter can be pivoted from a position of rest which is remote from the suction mouth to a position of operation in front of the suction mouth of the spray extraction nozzle.
REFERENCES:
patent: 2885717 (1959-05-01), Lampe
patent: 3616482 (1971-11-01), Brycki
patent: 3815171 (1974-06-01), Carr et al.
patent: 4218900 (1980-08-01), Caplan et al.
patent: 4893375 (1990-01-01), Girman et al.
patent: 5625920 (1997-05-01), Bores et al.
patent: 0176686 (1986-04-01), None
patent: WO 87/01920 (1987-04-01), None
Lucas & Mercanti LLP
Redding David A
Robert Thomas Metall - und Elektrowerke GmbH & Co. KG
Stoffel Klaus P.
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