Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2006-09-19
2006-09-19
Corcoran, Gladys JP (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S246200, C015S301000, C015S302000, C015S314000, C015S347000, C015S353000, C055S429000
Reexamination Certificate
active
07107646
ABSTRACT:
An industrial oil/dust collector is provided with a base, a motor and an air blower are installed on the exterior of the base, an air-inlet pipe and an air-outlet pipe are provided at the front of the motor to carry out quick suction and drainage functions, and inside the base there are an oil-collecting tank and a spare oil-collecting tank provided with multiple filtering devices to filter impurities of the oil, so as to prolong the service life of the motor and the air blower.
REFERENCES:
patent: 4993107 (1991-02-01), Zoni
patent: 5507859 (1996-04-01), Kaiser
patent: 6272719 (2001-08-01), Wu
patent: 6342084 (2002-01-01), Pezzaniti
patent: 6434783 (2002-08-01), Arnold et al.
patent: 6521051 (2003-02-01), Lutich
Bahta Abraham
Corcoran Gladys JP
Rosenberg , Klein & Lee
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