Patent information:
| Patent: | Utility 315,660 |
| Patented: | April 14, 1885 |
| Applied: | January 21, 1883 |
| Title: | Supporting Insulator for Telegraph Wires |
| Description: | Self-tying screw top (see 1,305,168) |
| Category: | Self-tying Screw Top |
| Assigned to: |
Patentee Information:
| PRENZEL, Henry | Philadelphia, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
Known specimens:
| None known |
Drawings:
Page 1 |