US PATENT SUBCLASS 174 / 157
.~.~ Aligned through aperture


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

137 R  DF  INSULATORS {17}
156  DF  .~ Divided insulator {1}
157.~.~ Aligned through aperture


DEFINITION

Classification: 174/157

(under subclass 156) Divided insulators in which the insulating parts have one or more aligned, through apertures for receiving a nail, screw, or like attaching element. Such devices are known as knobs or cleats.

(1) Note. Compare this class, subclass 166, for one piece insulators having through apertures for receiving nails, screws, and similar elements.

(2) Note. Continue the search in class 248, Supports, subclass 67.5.