Gas separation – Combined or convertible
Reexamination Certificate
2006-10-10
2006-10-10
Smith, Duane (Department: 1724)
Gas separation
Combined or convertible
C055S498000, C055S302000, C173S071000, C173S073000, C451S087000, C451S088000, C451S270000, C451S354000, C451S357000, C451S451000, C451S453000, C451S456000
Reexamination Certificate
active
07118609
ABSTRACT:
The present invention refers to a motorized tool with suction and dust collection capacity. The tool comprises: means for extracting dust suitable for producing a flow of air; means for collecting dust having a first duct for the entrance of the air, that can be connected separately to said tool, and at least one second duct for the air, connected to the outside environment; said means for collecting dust include a filtering element positioned between said first duct and said second duct. Said filtering element defines an internal space and an external space surrounding said internal space, one of which is in communication with said first duct and the other is in communication with said second duct.
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Diaz Robert A.
Eckert Seamans Cherin & Mellott , LLC
Pham Minh-Chau T.
Silverman Arnold B.
Smith Duane
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