US PATENT SUBCLASS 361 / 99
.~.~.~ Combined thermal-electromagnetic relay

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

1  DF  SAFETY AND PROTECTION OF SYSTEMS AND DEVICES {32}
93.1  DF  .~ With specific current responsive fault sensor {11}
94  DF  .~.~ With time delay protective means {4}
99.~.~.~ Combined thermal-electromagnetic relay

DEFINITION

Classification: 361/99

Combined thermal-electromagnetic relay:

(under subclass 94) Subject matter wherein thermal and electromagnetic means are combined to perform the timing or circuit interrupt functions.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

35+, for electromagnetically operated circuit breakers with combined magnetic and thermal trip means, and subclasses 141+ for switches with combined magnetic and thermal operating means.

337, Electricity: Electrothermally or Thermally Actuated Switches, appropriate subclasses for thermal-type circuit breakers, per se.