Dentistry – Apparatus – Having suction orifice
Reexamination Certificate
2007-02-27
2007-02-27
Lewis, Ralph A. (Department: 3732)
Dentistry
Apparatus
Having suction orifice
C210S420000, C210S424000, C210S434000
Reexamination Certificate
active
11152340
ABSTRACT:
An inline filter assembly to be used in conjunction with surgical or other procedures, near the patient or chairside in dental operations, that is capable of removing, by filtration, particulate matter from waste-water. The filter assembly is configured to permit easy and rapid changing of filters. The filter assembly also contains a series of stopcocks to permit easy and quick changing of filters while maintaining suction to the patient.
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Gullett Jeffrey M.
Kuehne John C.
Stone Mark E.
Churilla Albert
Hemby, Jr. Joseph K.
Lewis Ralph A.
The United States of America as represented by the Secretary of
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