US PATENT SUBCLASS 4 / 250
.~ Seat operated

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

249  DF  FLUSH-VALVE OPERATORS {1}
250.~ Seat operated

DEFINITION

Classification: 4/250

The valve is operated by movement of the seat.

(1) Note. See special structures in this class, subclasses 238, 408, 468, 473, and 486.