US PATENT SUBCLASS 366 / 339
.~.~ Helical ribbon or strand

Current as of: June, 1999
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366 /   HD   AGITATING

336  DF  STATIONARY DEFLECTOR (DIVIDING AND RECOMBINING TYPE) IN FLOW-THROUGH MIXING CHAMBER {3}
338  DF  .~ Curved deflector surface {1}
339.~.~ Helical ribbon or strand

DEFINITION

Classification: 366/339

Helical ribbon or strand:

(under subclass 338) Subject matter wherein the deflector is an elongated strip or slender rod twisted in a spiral shape extending along the path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

227, for a helical-type deflector in a rotatable mixing chamber.

310, for a helical-type scraper in a stationary mixing chamber.

320, for a helical ribbon stirrer in a stationary mixing chamber.