Patent information:

Patent:Utility 66,453
Patented:July 9, 1867
Applied:
Title:Improvement in Insulators for Telegraphs
Description:Earthenware pin and insulator saturated with tar
Category:Earthenware
Assigned to: 

Patentee Information:

BOYNTON, John F. Syracuse, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:165INSULATORS With insulator-supporting or attaching means Support penetrating Penetrating element socketed in insulator;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:174INSULATORS With conductor holding means Insulator structure;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1