Patent information:

Patent:Utility 448,956
Patented:March 24, 1891
Applied:August 2, 1890
Title:Electric Insulator
Description:Self-tying via metal band screwed on top
Category:Self-tying Miscellaneous
Assigned to: 

Patentee Information:

GRAHAM, George H. Ridgeland, IL
GANNANE, Thomas Chicago, IL

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:172INSULATORS With conductor holding means Insulator embracing;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:168INSULATORS With conductor holding means;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1