Patent information:

Patent:Utility 839,666
Patented:December 25, 1906
Applied:October 28, 1905
Title:Built up Insulator
Description:Oil used in hidden reservoir of multipart insulator made of Electrose
Category:Oil
Assigned to: 

Patentee Information:

STEINBERGER, Louis New York, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:30WITH FLUIDS OR VACUUM Insulators;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:195INSULATORS With terminal elements Pin type Multi-part insulators;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:210INSULATORS Sectional, multi-part, composite, or coated Pin socket type;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2