US PATENT SUBCLASS 337 / 394
.~.~.~ Rod, tube or cylinder

Current as of: June, 1999
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337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

298  DF  THERMALLY ACTUATED SWITCHES {7}
382  DF  .~ With longitudinally expansible solid element {7}
393  DF  .~.~ Expansible solid structure or composition of material {3}
394.~.~.~ Rod, tube or cylinder

DEFINITION

Classification: 337/394

(under subclass 393) Subject matter wherein the expansible solid structure consists of a rod, tube or cylinder device.