US PATENT SUBCLASS 73 / 513
.~ With manual control

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

488  DF  SPEED, VELOCITY, OR ACCELERATION {29}
513.~ With manual control

DEFINITION

Classification: 73/513

(under subclass 488) Apparatus providing for manual operation in certain speed ranges or substitution of manual for speed responsive operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

540+, for centrifugal governors with adjusting means.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines,

319, per se, for an internal-combustion engine with selective manual or automatic speed control. 137, Fluid Handling,

18, for a prime mover with selective manual or automatic control and subclass 49 for a valve with selective manual or automatic speed control.