US PATENT SUBCLASS 482 / 113
.~.~.~ Including external conduit structure

Current as of: June, 1999
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482 /   HD   EXERCISE DEVICES

92  DF  USER MANIPULATED FORCE RESISTING APPARATUS, COMPONENT THEREOF, OR ACCESSORY THEREFOR {8}
111  DF  .~ Utilizing fluid resistance {1}
112  DF  .~.~ Confined hydraulic or pneumatic chamber {1}
113.~.~.~ Including external conduit structure

DEFINITION

Classification: 482/113

Including external conduit structure:

(under subclass 112) Subject matter wherein the pressure opposing structure is provided with fluid duct-work circuitry outside the enclosed liquid or gas compartment to restrict liquid or gas flow to or from the compartment as it provides the pressure to oppose the user.