Patent information:

Patent:Utility 2,165,773
Patented:July 11, 1939
Applied:July 8, 1932
Title:Insulator for Communication Systems
Description:CD 142, CD 142.4 - glass insert screwed in skirt with metallic iridizing
Category:Insulator
Assigned to:Western Union Telegraph Co.

Patentee Information:

WHEEER, Herbert H. Millburn, NJ
MCGINNIS, Orris Brooklyn, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:195INSULATORS With terminal elements Pin type Multi-part insulators;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:140CINSULATORS Combined With conductive arcing or stress distributing means Coated;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:140RINSULATORS Combined With conductive arcing or stress distributing means;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:209INSULATORS Sectional, multi-part, composite, or coated;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:211INSULATORS With moisture or dirt removing or shedding;

Known specimens:

Number:CD 142
Number:CD 142.4

Drawings:

Drawing page 1

Page 1