US PATENT SUBCLASS 340 / 659
.~.~.~ Pulse or surge

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
657  DF  .~.~ Electrical characteristic {4}
659.~.~.~ Pulse or surge

DEFINITION

Classification: 340/659

Pulse or surge:

(under subclass 657) Subject matter where the monitored characteristic is the occurrence of an electrical pulse or surge (i.e., pulse occurrence or absence, width, lightning stroke).

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

72+, for testing potential in a specific environment (e.g., lightning stroke).