US PATENT SUBCLASS 261 / 44.9
.~.~.~.~.~ Variable-shape passage

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


261 /   HD   GAS AND LIQUID CONTACT APPARATUS

19  DF  FLUID DISTRIBUTION {5}
38  DF  .~ Valved {8}
42  DF  .~.~ Multiple valves {5}
43  DF  .~.~.~ Connected {4}
44.1  DF  .~.~.~.~ Contact space {5}
44.9.~.~.~.~.~ Variable-shape passage

DEFINITION

Classification: 261/44.9

Variable-shape passage:

(under subclass 44.1) Apparatus having means capable of changing the shape of the air intake conduit.