US PATENT SUBCLASS 333 / 226
.~.~.~.~ Using plunger, rod, or piston

Current as of: June, 1999
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333 /   HD   WAVE TRANSMISSION LINES AND NETWORKS

219  DF  RESONATORS (DISTRIBUTED PARAMETER TYPE) {7}
222  DF  .~ Coaxial or shielded {1}
223  DF  .~.~ With tuning {1}
224  DF  .~.~.~ Having movable element {2}
226.~.~.~.~ Using plunger, rod, or piston

DEFINITION

Classification: 333/226

Using plunger, rod, or piston:

(under subclass 224) Subject matter wherein the movable element is a plunger, rod, or piston.