US PATENT SUBCLASS 237 / 34
.~ Water

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

Internet Version by PATENTEC © 1999      Terms of Use


237 /   HD   HEATING SYSTEMS

28  DF  VEHICLE {7}
34.~ Water {2}
35  DF  .~.~> Car boiler {2}
39  DF  .~.~> Train steam

DEFINITION

Classification: 237/34

(under subclass 28) Vehicle-heating systems utilizing a hot water circulating system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12.4, for car heater combined with power plants.