Patent information:

Patent:Utility 1,147,498
Patented:July 20, 1915
Applied:November 1, 1912
Title:Divided Insulator
Description:Reversible nail-knob
Category:Knob
Assigned to:Trenton Porcelain Co.

Patentee Information:

FREEMAN, Edgar H. Trenton, NJ

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:157INSULATORS Divided insulator Aligned through aperture;
Class:238RAILWAYS: SURFACE TRACK
Subclass:332 

Known specimens:

Number:Specimen known

Drawings:

Drawing page 1

Page 1