Patent information:
| Patent: | Utility 1,302,158 |
| Patented: | April 29, 1919 |
| Applied: | July 11, 1917 |
| Title: | Insulator |
| Description: | Knob |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| HARRIS, John R. | Chartiers Township, PA |
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 |