Patent information:
| Patent: | Utility 480,011 |
| Patented: | August 2, 1892 |
| Applied: | March 24, 1892 |
| Title: | Insulator |
| Description: | Knob - self-tying |
| Category: | Knob |
| Assigned to: | The Security Insulator Co. |
Patentee Information:
| GREEN, John Jay | Boonton, NJ |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 166R | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Through aperture, penetrating element clamped; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 175 | INSULATORS; With conductor holding means; Insulator structure; Self-retaining; |
Known specimens:
| None known |
Drawings:
Page 1 |