US PATENT SUBCLASS 261 / 85
.~.~.~ Hollow shaft


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

75  DF  CONTACT DEVICES {11}
83  DF  .~ Rotating {1}
84  DF  .~.~ Impeller {4}
85.~.~.~ Hollow shaft {3}
86  DF  .~.~.~.~> Gas trapping
87  DF  .~.~.~.~> Gas delivering
88  DF  .~.~.~.~> Liquid spraying


DEFINITION

Classification: 261/85

The impeller-shaft adapted to conduct fluids.