US PATENT SUBCLASS 264 / 438
.~.~ Utilizing electrostatic charge

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

405  DF  DIRECT APPLICATION OF ELECTRICAL OR WAVE ENERGY TO WORK (E.G., ELECTROMAGNETIC WAVE, PARTICULATE, MAGNETIC, INDUCTION HEAT, SONIC, ELECTROSTATIC ENERGY, ETC.) {26}
437  DF  .~ Conveying or aligning particulate material {1}
438.~.~ Utilizing electrostatic charge {1}
439  DF  .~.~.~> Simultaneously with molding {2}

DEFINITION

Classification: 264/438

Utilizing electrostatic charge:

(under subclass 437) Processes directed to using electrical energy having a constant-intensity electric charge which results in the capability of attracting and holding small particles having an opposite electrical charge.

(1) Note. Electrostatic charge is generally considered to be an electric charge that is in a state of equilibrium.