Patent information:

Patent:Utility 1,725,097
Patented:August 20, 1929
Applied:June 16, 1927
Title:Insulator Structure
Description:Metal parts of suspension insulators are coated with rubber or resin to help prevent or reduce flashover
Category:Suspension
Assigned to:Westinghouse Electric & Mfg. Co.

Patentee Information:

NAYLOR, William K. Pittsburgh, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:150INSULATORS Multiple insulator assemblies Strings and stacks;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:158RINSULATORS With insulator-supporting or attaching means;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:169INSULATORS With conductor holding means Fitting or terminal type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:182INSULATORS With terminal elements Plural Cap and pin;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:188INSULATORS With terminal elements Cap type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:209INSULATORS Sectional, multi-part, composite, or coated;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1