Baths – closets – sinks – and spittoons – Obstruction remover – Piston
Reexamination Certificate
2008-03-11
2008-03-11
Fetsuga, Robert M. (Department: 3751)
Baths, closets, sinks, and spittoons
Obstruction remover
Piston
C004S255110
Reexamination Certificate
active
10739417
ABSTRACT:
An air plunger is described. The air plunger comprises an upper barrel and a lower barrel slidably received by the upper barrel. An air seal is fixed to the lower barrel and slidably engages with the upper barrel. A nozzle is attached to the lower barrel opposite to the upper barrel. A stop mechanism prohibits the upper barrel from disassociating with the lower barrel.
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Ernst Michael L.
Leaphart C. Mark
Leaphart, Jr. J. Kirk
Schoolcraft Carlos R.
Fetsuga Robert M.
Guy Joseph T.
Leaphart C. Mark
Leaphart, Jr. J. Kirk
Nexsen Pruet , LLC
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