US PATENT SUBCLASS 73 / 1.18
.~.~ Sphere


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



73 /   HD   MEASURING AND TESTING

1.01  DF  INSTRUMENT PROVING OR CALIBRATING {13}
1.16  DF  .~ Volume of flow, speed of flow, volume rate of flow, or mass rate of flow {12}
1.18.~.~ Sphere


DEFINITION

Classification: 73/1.18

Sphere:

(under subclass 1.16) Subject matter wherein the movement of a three-dimensional surface, having all points of which are equidistant from a fixed point (e.g., a ball), is used for introducing a known flow volume.