Patent information:

Patent:Utility 107,303
Patented:September 13, 1870
Applied:
Title:Improvement in Attaching Insulators to Telegraph Poles
Description:Threadless insulator mounted on pin via horizontally inserted keeper pin
Category:Threadless
Assigned to: 

Patentee Information:

STEARNS, Joseph B. Boston, MA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:194INSULATORS With terminal elements Pin type;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1