Patent information:

Patent:Utility 110,645
Patented:January 3, 1871
Applied:
Title:Improvement in Glass Telegraph Insulators
Description:CD 1040 threaded, tapered glass insulator to screw into crossarm or pole
Category:Insulator
Assigned to: 

Patentee Information:

GARITY, John East Birmingham, PA

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:164INSULATORS With insulator-supporting or attaching means Support penetrating;
Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:212INSULATORS Surface configuration;

Known specimens:

Number:CD 1040

Drawings:

Drawing page 1

Page 1