US PATENT SUBCLASS 482 / 58
.~.~ Utilizing fluid resistance

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

51  DF  INVOLVING USER TRANSLATION OR PHYSICAL SIMULATION THEREOF {13}
57  DF  .~ Bicylcling {5}
58.~.~ Utilizing fluid resistance {1}
59  DF  .~.~.~> Gas

DEFINITION

Classification: 482/58

Utilizing fluid resistance:

(under subclass 57) Subject matter wherein a liquid or a gas is used to apply a force in opposition to the muscle of the user.

SEE OR SEARCH THIS CLASS, SUBCLASS:

53, for stair climbing type exercise apparatus using fluid resistance to apply a force in opposition to a muscle of the user.

73, for rowing type exercise apparatus using fluid resistance

to apply a force in opposition to a muscle of the user.

111+, for a user manipulated, force resisting apparatus using fluid resistance to oppose the user.