US PATENT SUBCLASS 324 / 136
.~ With rolling wheel or ball (e.g., transmission, integrating)

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

76.11  DF  MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE {46}
136.~ With rolling wheel or ball (e.g., transmission, integrating)

DEFINITION

Classification: 324/136

(under subclass 76) Subject matter having a rolling ball or a rolling wheel.

(1) Note. The ball or wheel are usually part of an integrating mechanism, but may be part of a speed transmission.

SEE OR SEARCH CLASS

33, Geometrical Instruments,

121, for area integrators, per se.

235, Registers, appropriate subclasses, particularly 65, 66 and 68, for calculating devices and machines having integrating features.