US PATENT SUBCLASS 55 / 294
.~ Relatively movable pneumatic nozzle (e.g., scanning nozzle)

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

282  DF  WITH NONLIQUID CLEANING MEANS FOR SEPARATING MEDIA {13}
294.~ Relatively movable pneumatic nozzle (e.g., scanning nozzle)

DEFINITION

Classification: 55/294

(under subclass 282) Apparatus comprising a gasiform fluid discharging means directed against or along the media and being supported for motion relative to said media to dislodge accumulated constituent material.