Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2007-02-07
2009-11-17
Hail, III, Joseph J (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S344000, C015S397000, C285S007000
Reexamination Certificate
active
07617566
ABSTRACT:
A system for enabling the collection of dust and particle samples from a surface or sampling environment using an air suction device such as a vacuum cleaner. The system includes a nozzle incorporating a filter trap for collecting the particles as well as a reversible adapter enabling the connection of any one of a plurality of vacuum hoses having different diameters to the nozzle.
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patent: 2005/0067833 (2005-03-01), Ball
Chapman Martin D.
Lombard Matthew James
Tsay Amy
Hail, III Joseph J
Indoor Biotechnologies, Inc.
McDonald Shantese
Rosden Peter E.
Woods Rogers PLC
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