Patent information:
| Patent: | Utility 403,727 |
| Patented: | May 21, 1889 |
| Applied: | April 2, 1889 |
| Title: | Insulator |
| Description: | Knob - self-tying |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| BERRANG, Jacob C. | Asbury Park, NJ |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 175 | INSULATORS; With conductor holding means; Insulator structure; Self-retaining; |
Known specimens:
| None known |
Drawings:
Page 1 |