US PATENT SUBCLASS 131 / 333
.~ By electric, magnetic, or radioactive action

Current as of: June, 1999
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131 /   HD   TOBACCO

331  DF  SMOKE SEPARATOR OR TREATER {9}
333.~ By electric, magnetic, or radioactive action

DEFINITION

Classification: 131/333

By electric, magnetic, or radioactive action:

(under subclass 331) Product or process wherein separation is effected due to the presence of a charged electric field, magnetic field, or the presence of alpha, beta, or gamma rays.