Patent information:

Patent:Utility 1,764,434
Patented:June 17, 1930
Applied:March 21, 1927
Title:Insulator
Description:Wood strain insulator with coating such as rubber over the metal ends and extending only a short distance to prevent burning the insulator from corona
Category:Strain
Assigned to:Westinghouse Electric & Mfg. Co.

Patentee Information:

COCHRAN, Paul B. Wilkinsburg, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:179INSULATORS With terminal elements Plural Multi-part, sectional or composite insulator Protected rod type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:186INSULATORS With terminal elements Plural Caps;
Class:361ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES
Subclass:132SAFETY AND PROTECTION OF SYSTEMS AND DEVICES High voltage dissipation (e.g., lightning arrester) Combined (e.g., with disconnect switch) With line supporting insulator;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1