US PATENT SUBCLASS 174 / 29
.~.~.~ With spiral spacer

Current as of: June, 1999
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174 /   HD   ELECTRICITY: CONDUCTORS AND INSULATORS

8  DF  WITH FLUIDS OR VACUUM {12}
24  DF  .~ Conduits, cables and conductors {3}
28  DF  .~.~ Coaxial or concentric type {1}
29.~.~.~ With spiral spacer

DEFINITION

Classification: 174/29

(under subclass 28) Cables in which a central inner element is spaced from an outer concentric element by spirally-applied spacing means.

(1) Note. See this class, subclass 131.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

592, for metallic stock of helical configuration or having a helical component.