US PATENT SUBCLASS 434 / 300
.~ Physics

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

276  DF  SCIENCE {9}
300.~ Physics {3}
301  DF  .~.~> Electricity or magnetism
302  DF  .~.~> Statics or dynamics
303  DF  .~.~> Optics

DEFINITION

Classification: 434/300

Physics:

(under subclass 276) Subject matter relating to the study of matter and energy.