Patent information:

Patent:Utility 125,980
Patented:April 23, 1872
Applied:
Title:Improvement in Screw Cutting Device
Description:Insulator pin threading device
Category:Pin
Assigned to: 

Patentee Information:

NORTH, Stephen Syracuse, NY

Class and subclass information:

Class:470 
Subclass:59 
Class:470 
Subclass:185 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1