US PATENT SUBCLASS 310 / 323.07
.~.~.~.~.~.~.~ Oval track

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

Internet Version by PATENTEC © 1999      Terms of Use


310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

300  DF  NON-DYNAMOELECTRIC {4}
311  DF  .~ Piezoelectric elements and devices {17}
321  DF  .~.~ Combined with resonant structure {4}
323.01  DF  .~.~.~ Direct mechanical coupling {5}
323.02  DF  .~.~.~.~ Motor producing continual motion {3}
323.03  DF  .~.~.~.~.~ Traveling wave motor {3}
323.04  DF  .~.~.~.~.~.~ Stator {3}
323.07.~.~.~.~.~.~.~ Oval track

DEFINITION

Classification: 310/323.07

Oval track:

(under subclass 323.04) Subject matter wherein either the stator or the driving surface has a closed loop shape with at least one set of parallel straight portions.