US PATENT SUBCLASS 337 / 16
.~.~ Bimetallic means


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

Internet Version by PATENTEC © 1999      Terms of Use



337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
15  DF  .~ Shunt or short circuit completion devices {4}
16.~.~ Bimetallic means


DEFINITION

Classification: 337/16

(under subclass 15) Subject matter wherein the shunt circuit completing means comprises at least one bimetallic device, i.e., an element consisting of at least two solid strips or bars formed of materials having different coefficients of expansion.

SEE OR SEARCH CLASS

290, Prime-Mover Dynamo Plants,

38, for electrical starting motors which may have bimetallic means shunting the starting resistance.

315, Electric Lamp and Discharge Devices: Systems, appropriate subclasses, especially

74, and 83 for load devices with electrical circuits and temperature modifying means utilizing bimetallic shunting means.

324, Electricity: Measuring and Testing, 105+, for electrical measuring devices with bimetallic shunting means.

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

12, for automatic circuit interrupting devices with shunting contacts and subclasses 35+ for plural means for operating automatic trip means one of which may be a shunt contact operated by bimetallic means.

338, Electrical Resistors,

31, for resistors with mechanical variation means which is thermally responsive and subclass 215 for a resistance with a switch, i.e., shunt.

361, Electricity: Electrical Systems and Devices,

139+, for electric circuits for relays and electromagnets,

especially subclasses 163+ for bimetallic elements shunting a resistance.