US PATENT SUBCLASS 4 / 246.2
.~ Fluid mechanism

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

246.1  DF  OPENER OR CLOSER FOR A CLOSET SEAT OR LID {2}
246.2.~ Fluid mechanism

DEFINITION

Classification: 4/246.2

Fluid mechanism:

(under subclass 246.1) Subject matter wherein the means uses fluid as a source of power or to transmit force to assist the user in moving the seat or lid from one position to another.