Patent information:

Patent:Utility 1,661,823
Patented:March 6, 1928
Applied:June 4, 1921
Title:Insulator
Description:Suspension string with insulators having conducting surface to balance electrical field
Category:Suspension
Assigned to:Locke Insulator Corp.

Patentee Information:

HAWLEY, Kent A. New York, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:141CINSULATORS Combined With conductive arcing or stress distributing means Strings or stacks Coated;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:126.4CONDUITS, CABLES OR CONDUCTORS Conductor structure (nonsuperconductive) Metal coated on insulation;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:140CINSULATORS Combined With conductive arcing or stress distributing means Coated;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:209INSULATORS Sectional, multi-part, composite, or coated;
Class:338ELECTRICAL RESISTORS
Subclass:21 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1