Patent information:

Patent:Utility 619,555
Patented:February 14, 1899
Applied:August 4, 1898
Title:Telegraph Insulator
Description:Self-tying screw top
Category:Self-tying Screw Top
Assigned to: 

Patentee Information:

FRANTZ, Isaac B. Allenport, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:156INSULATORS Divided insulator;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:165INSULATORS With insulator-supporting or attaching means Support penetrating Penetrating element socketed in insulator;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1