US PATENT SUBCLASS 236 / 74 A
.~.~ Electric motor driven pump

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

67  DF  MOTORS {7}
74 R  DF  .~ Electric {5}
74 A.~.~ Electric motor driven pump

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 236/74

(under subclass 67) Devices not otherwise classifiable which are operated by electric motors whose operation is controlled by means responsive to the temperature to be regulated.

SEE OR SEARCH CLASS

388, Electricity: Motor Control Systems, Art Collection 934 for running-speed control systems with feedback responsive to a thermal condition.