US PATENT SUBCLASS 4 / 280
.~ Floor controlled valve

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

258  DF  SPITTOONS {14}
280.~ Floor controlled valve

DEFINITION

Classification: 4/280

The inlet is provided with a valve generally closed by a spring. The valve is opened by a member connected to it when the member comes into contact with the floor on which the spittoon rests.