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:
Page 1 |