Patent information:

Patent:Utility 1,716,963
Patented:June 11, 1929
Applied:March 26, 1920
Title:Insulator
Description:Suspension coupling device (see 1,329,770)
Category:Suspension
Assigned to:Jeffery-Dewitt Co.

Patentee Information:

JOHNSTON, Robert M. Huntington, WV

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:177INSULATORS With terminal elements Plural;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:150INSULATORS Multiple insulator assemblies Strings and stacks;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:189INSULATORS With terminal elements Cap type Plastic material adhered;
Class:403JOINTS AND CONNECTIONS
Subclass:292MEMBER ENDS JOINED BY INSERTED SECTION;
Class:403JOINTS AND CONNECTIONS
Subclass:353INTERFITTED MEMBERS Assembled by plural manipulations of member;

Known specimens:

Number:Specimen known

Drawings:

Drawing page 1

Page 1