Patent information:

Patent:Utility 856,488
Patented:June 11, 1907
Applied:January 29, 1906
Title:Insulator
Description:Pin (metal) using spring for threads
Category:Pin
Assigned to:Peirce Specialty Co.

Patentee Information:

PEIRCE, JR., Charles L. Chicago, IL

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:203INSULATORS With terminal elements Pin type Screw or bayonet type Strand thread;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1