US PATENT SUBCLASS 48 / 63
.~.~ Air and steam injected

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}
62 R  DF  .~ Cupola {18}
63.~.~ Air and steam injected {1}
64  DF  .~.~.~> Superheated

DEFINITION

Classification: 48/63

Cupola structures wherein air and steam are simultaneously injected for the continuous production of gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

64,