Patent information:
| Patent: | Utility 1,127,776 |
| Patented: | February 9, 1915 |
| Applied: | April 4, 1912 |
| Title: | Insulator |
| Description: | Reversible nail-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; |
| Class: | D13 | EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION OF ENERGY |
| Subclass: | 132 |
Known specimens:
| Number: |
Drawings:
Page 1 |