Patent information:
| Patent: | Utility 460,448 |
| Patented: | September 29, 1891 |
| Applied: | December 16, 1890 |
| Title: | Insulator |
| Description: | Self-tying screw top |
| Category: | Self-tying Screw Top |
| Assigned to: |
Patentee Information:
| ROSS, Frank A. | Livingston, MT |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |