Patent information:
| Patent: | Utility 1,147,498 |
| Patented: | July 20, 1915 |
| Applied: | November 1, 1912 |
| Title: | Divided Insulator |
| Description: | Reversible nail-knob |
| Category: | Knob |
| Assigned to: | Trenton Porcelain Co. |
Patentee Information:
| FREEMAN, Edgar H. | Trenton, NJ |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 157 | INSULATORS; Divided insulator; Aligned through aperture; |
| Class: | 238 | RAILWAYS: SURFACE TRACK |
| Subclass: | 332 |
Known specimens:
| Number: |  |
Drawings:
Page 1 |