US PATENT SUBCLASS 174 / 166 R
.~.~.~ Through aperture, penetrating element clamped

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

137 R  DF  INSULATORS {17}
158 R  DF  .~ With insulator-supporting or attaching means {7}
164  DF  .~.~ Support penetrating {2}
166 R.~.~.~ Through aperture, penetrating element clamped {1}
166 S  DF  .~.~.~.~> Stand-off insulators

Unofficial Alpha Subclasses: R S

DEFINITION

Classification: 174/166

(under subclass 164) Insulators in which the insulating body is provided with one or more through apertures for receiving nails, screws, or similar elements adapted to clamp the insulating body to a supporting surface.

(1) Note. For divided insulators having similar attaching

means, see this class, subclass 157.