Compressed air drain opening device

Details Compressed air drain opening device Compressed air drain opening device

2005-03-08

2005-03-08

Fetsuga, Robert M. (Department: 3751)

Baths, closets, sinks, and spittoons

Obstruction remover

Piston

C004S255110

Reexamination Certificate

active

06862753

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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