Patent information:

Patent:Utility 1,447,359
Patented:March 6, 1923
Applied:November 26, 1918
Title:Ventilated Line Insulator
Description:Electrose pintype insulator with holes in the center to ventilate and reduce heat
Category:Electrose
Assigned to: 

Patentee Information:

STEINBERGER, Louis Brooklyn, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:140RINSULATORS Combined With conductive arcing or stress distributing means;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:167INSULATORS With conductor receiving aperture or bushing type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:187INSULATORS With terminal elements Ventilating;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:212INSULATORS Surface configuration;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1