Patent information:
| Patent: | Utility 981,074 |
| Patented: | January 10, 1911 |
| Applied: | April 14, 1910 |
| Title: | Split-knob Insulator |
| Description: | Knob triangular shaped |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| DUPONT, Henry H. | Indianapolis, IN |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 157 | INSULATORS; Divided insulator; Aligned through aperture; |
Known specimens:
| None known |
Drawings:
Page 1 |