US PATENT SUBCLASS 4 / 215
.~ Water-jet pump

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

209 R  DF  VENTILATION {10}
215.~ Water-jet pump

DEFINITION

Classification: 4/215

The gases are removed by a water-jet pump.

SEE OR SEARCH CLASS

417, Pumps,

151+, for jet pump structure, per se.