Patent information:

Patent:Utility 466,726
Patented:January 5, 1892
Applied:April 9, 1891
Title:Insulator
Description:Clamp type split knob with lag screw
Category:Clamp Type
Assigned to:Richard I. Brewster

Patentee Information:

NORGRAVE, George B. Philadelphia, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:155INSULATORS Insulator and conductor embracing holder Divided insulator;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1