Patent information:

Patent:Utility 1,127,776
Patented:February 9, 1915
Applied:April 4, 1912
Title:Insulator
Description:Reversible nail-knob
Category:Knob
Assigned to:Illinois Electric Porcelain Co.

Patentee Information:

KETTRON, Charles W. Macomb, IL

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:157INSULATORS Divided insulator Aligned through aperture;
Class:D13EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION OF ENERGY
Subclass:132 

Known specimens:

Number:   

Drawings:

Drawing page 1

Page 1