US PATENT SUBCLASS 366 / 88
.~.~ Including sections of different pitch

Current as of: June, 1999
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366 /   HD   AGITATING

69  DF  RUBBER OR HEAVY PLASTIC WORKING {14}
79  DF  .~ Stirrer is through-pass screw conveyor {7}
88.~.~ Including sections of different pitch

DEFINITION

Classification: 366/88

Including sections of different pitch:

(under subclass 79) Subject matter wherein the spacing of thread or helical ribbon on a portion of said conveyor differs from the spacing of said thread or said helical ribbon on another portion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

321, screw-type stirrer with opposite pitch in a mixing chamber of general utility.

323, screw-type stirrer with varying pitch in a mixing chamber of general utility.