US PATENT SUBCLASS 34 / 526
.~.~ Of plural operations

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
524  DF  .~ With automatic control {11}
526.~.~ Of plural operations {3}
527  DF  .~.~.~> Of specific operational sequence {5}
535  DF  .~.~.~> Having two of heater, contacting gas humidity, or gas mixing {7}
543  DF  .~.~.~> With heater {4}

DEFINITION

Classification: 34/526

Of plural operations:

(under subclass 524) Apparatus in which two or more conditions or operations are controlled.

(1) Note. The only exceptions are subclass 572, which has starting or stopping, and subclass 573, which has feeding or discharging.

(2) Note. The patents in this subclass and the indented subclasses are cross-referenced to the appropriate subclass for single operations, except subject matter in subclasses 535+ is not cross-referenced into subclasses 538+, 557, and 548.