US PATENT SUBCLASS 361 / 290
.~.~.~ By varying distance between electrodes

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

271  DF  ELECTROSTATIC CAPACITORS {4}
277  DF  .~ Variable {4}
287  DF  .~.~ Mechanically variable {5}
290.~.~.~ By varying distance between electrodes {1}
291  DF  .~.~.~.~> Compression type

DEFINITION

Classification: 361/290

By varying distance between electrodes:

(under subclass 287) Subject matter having means to change the interval between the electrode plates.