Patent information:

Patent:Utility 448,703
Patented:March 24, 1891
Applied:January 29, 1891
Title:Support for Electric Line Wires
Description:Hanger insulator for trolley conductor
Category:Hanger
Assigned to: 

Patentee Information:

WIRT, Herbert C. Boston, MA

Class and subclass information:

Class:191ELECTRICITY: TRANSMISSION TO VEHICLES
Subclass:42CONDUCTORS Trolley Supports Combined ears and insulator;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:139INSULATORS Combined;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:160INSULATORS With insulator-supporting or attaching means Strand engaging suspension means;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:169INSULATORS With conductor holding means Fitting or terminal type;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:172INSULATORS With conductor holding means Insulator embracing;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:202INSULATORS With terminal elements Pin type Screw or bayonet type;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1