Patent information:

Patent:Utility 937,515
Patented:October 19, 1909
Applied:February 3, 1909
Title:Insulator Pin
Description:Pin (metal) with hollow threaded end
Category:Pin
Assigned to:Fredric Greer

Patentee Information:

DORFF, Conrad J. Chicago, IL

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:204INSULATORS With terminal elements Pin type Screw or bayonet type Sheet material thread;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1