Patent information:
| Patent: | Utility 121,368 |
| Patented: | November 28, 1871 |
| Applied: | |
| Title: | Improvement in Telegraph Insulators |
| Description: | Triangular insulator to reduce surface contact of tie wire |
| Category: | Triangular |
| Assigned to: |
Patentee Information:
| HOLLEY, Minard Y. | Washington, DC |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 173 | INSULATORS; With conductor holding means; Insulator embracing; Tie wires; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 174 | INSULATORS; With conductor holding means; Insulator structure; |
Known specimens:
| None known |
Drawings:
Page 1 |