Patent information:

Patent:Utility 1,218,181
Patented:March 6, 1917
Applied:February 24, 1915
Title:Insulator Knob
Description:nail-knob made by Cook Pottery Co. known as the ""Wedge"".
Category:Knob
Assigned to: 

Patentee Information:

HOMER, John W. Greencastle, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:157INSULATORS Divided insulator Aligned through aperture;
Class:248SUPPORTS
Subclass:71PIPE OR CABLE Brackets With support penetrating means;

Known specimens:

Number:Specimen known

Drawings:

Drawing page 1

Page 1