Patent information:

Patent:Utility 764,384
Patented:July 5, 1904
Applied:May 28, 1903
Title:Insulating Support for Electric Third Rails
Description:Third rail insulator that screws into metal support ahd has a threaded hole in top to receive the metal rail support.
Category:Third Rail
Assigned to:Bleecker S. Barnard

Patentee Information:

SLATER, Frederick R. New York, NY

Class and subclass information:

Class:191ELECTRICITY: TRANSMISSION TO VEHICLES
Subclass:32CONDUCTORS Third rail Supports;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:158RINSULATORS With insulator-supporting or attaching means;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:171INSULATORS With conductor holding means Fitting or terminal type Special conductor form;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:196INSULATORS With terminal elements Pin type Plastic material adhered;
Class:191ELECTRICITY: TRANSMISSION TO VEHICLES
Subclass:30CONDUCTORS Third rail Protected;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1