Patent information:
| Patent: | Utility 1,429,079 |
| Patented: | September 12, 1922 |
| Applied: | February 4, 1916 |
| Title: | Split Insulator |
| Description: | Knob |
| Category: | Knob |
| Assigned to: | Illinois Electric Porcelain Co. |
Patentee Information:
| KETTRON, Charles W. | Macomb, IL |
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 |