Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2008-07-15
2008-07-15
Carrillo, Sharidan (Department: 1792)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S006000, C134S008000, C134S022180, C134S034000, C134S042000, C015S104050, C015S104090, C015S104095, C015S104120, C015S104310
Reexamination Certificate
active
11385465
ABSTRACT:
A tool for cleaning a culvert comprises a rod having a center longitudinal axis, a housing having a center longitudinal axis and coupled coaxially to the rod, the housing having an interior chamber, the housing has an outside dimension that can be accommodated within the culvert, and at least one paddle operable to rotate about the center longitudinal axis of the rod inside the interior chamber of the housing, the at least one paddle operable to dislodge and loosen debris inside the culvert.
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Carrillo Sharidan
Harr Technologies LLC
Meyers Philip G.
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