Patent information:
| Patent: | Utility 619,555 |
| Patented: | February 14, 1899 |
| Applied: | August 4, 1898 |
| Title: | Telegraph Insulator |
| Description: | Self-tying screw top |
| Category: | Self-tying Screw Top |
| Assigned to: |
Patentee Information:
| FRANTZ, Isaac B. | Allenport, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 165 | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Penetrating element socketed in insulator; |
Known specimens:
| None known |
Drawings:
Page 1 |