US PATENT SUBCLASS 219 / 130.01
.~.~ Including circuits for monitoring arc parameters

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

Internet Version by PATENTEC © 1999      Terms of Use


219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
121.11  DF  .~ By arc {16}
130.01.~.~ Including circuits for monitoring arc parameters

DEFINITION

Classification: 219/130.01

Including circuits for monitoring arc parameters:

(under subclass 121) Subject matter including circuit means for sensing and indicating arc conditions.

(1) Note. The monitoring does not include a control function.

SEE OR SEARCH THIS CLASS, SUBCLASS:

109, for resistance welding indicating.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing, appropriate subclasses for circuits for measuring and testing electricity.