US PATENT SUBCLASS 361 / 135
.~.~.~.~ By separating contacts

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}
117  DF  .~ High voltage dissipation (e.g., lightning arrester) {10}
133  DF  .~.~ With magnetic means (e.g., electromagnet) {2}
134  DF  .~.~.~ Arc stretching (e.g., blowout) {1}
135.~.~.~.~ By separating contacts

DEFINITION

Classification: 361/135

By separating contacts:

(under subclass 134) Subject matter wherein magnetic means are used for separating the contacts across which the arc is stretched.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, appropriate subclasses for electromagnetically operated switches in which an electromagnet is used as a source of force to separate two or more contacts.