Patent information:

Patent:Utility 693,603
Patented:February 18, 1902
Applied:July 24, 1901
Title:Third Rail Insulator for Electric Railways
Description:Square third rail insulator with metal foot and metal cap that fit in a square hole in top and bottom of the insulator.
Category:Third Rail
Assigned to:1/2 to Harold P. Brown

Patentee Information:

HOBBS, Charles M. Baltimore, MD

Class and subclass information:

Class:191ELECTRICITY: TRANSMISSION TO VEHICLES
Subclass:30CONDUCTORS Third rail Protected;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2