Patent information:

Patent:Utility 682,831
Patented:September 17, 1901
Applied:April 18, 1901
Title:Adjustable Insulator
Description:Knobs with various fluted sides grouped to hold wire
Category:Knob
Assigned to: 

Patentee Information:

MURDOCK, Henry D. Pittsburg, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:156INSULATORS Divided insulator;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:148INSULATORS Multiple insulator assemblies;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:157INSULATORS Divided insulator Aligned through aperture;

Known specimens:

Number:Specimen known

Drawings:

Drawing page 1

Page 1