US PATENT SUBCLASS 48 / 95
.~.~.~ Air

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

Internet Version by PATENTEC © 1999      Terms of Use


48 /   HD   GAS: HEATING AND ILLUMINATING

61  DF  GENERATORS {4}
89  DF  .~ Retort {12}
94  DF  .~.~ Oil and steam injected {2}
95.~.~.~ Air

DEFINITION

Classification: 48/95

Retorts into which oil, steam, or water and air are injected to be gasified. The air may be added to the gas produced from the oil and steam or water.