US PATENT SUBCLASS 174 / 131 A
.~.~.~.~.~ Insulating core

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

68.1  DF  CONDUITS, CABLES OR CONDUCTORS {15}
126.1  DF  .~ Conductor structure (nonsuperconductive) {6}
128.1  DF  .~.~ Plural strand {3}
130  DF  .~.~.~ Annular {1}
131 R  DF  .~.~.~.~ With wall support {2}
131 A.~.~.~.~.~ Insulating core

Unofficial Alpha Subclasses: R A B

DEFINITION

Classification: 174/131

(under subclass 130) Structures in which the wall of the annulus is reinforced or supported by means located within the annulus.

(1) Note. When the reinforcing means is conductive it must be of a form to leave the annulus substantially hollow. When nonconductive it may fill the annulus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

101.5, for buoyant cable structures having interior wall supports.