Patent information:

Patent:Utility 1,311,483
Patented:July 29, 1919
Applied:November 28, 1917
Title:Insulator
Description:nail-knob, cap has radial ridges flush with rim of cap and base has ribbed grooves.
Category:Knob
Assigned to:Wheeling Tile Co.

Patentee Information:

AMOS, Frank M. Wheeling, WV

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:157INSULATORS Divided insulator Aligned through aperture;

Known specimens:

Number:Specimen known

Drawings:

Drawing page 1

Page 1