US PATENT SUBCLASS 236 / 57
.~.~.~ Bourdon type

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

Internet Version by PATENTEC © 1999      Terms of Use


236 /   HD   AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION

*  DD  TRAPS {3}
*  DD  .~ Thermostatic {3}
56  DF  .~.~ Expanding fluid {2}
57.~.~.~ Bourdon type

DEFINITION

Classification: 236/57

(under subclass 56) Automatic steam-traps in which the drain-valve is directly operated by a thermostat of the expanding-fluid type in the shape of a Bourdon tube.