Patent information:
| Patent: | Utility 5,889 |
| Patented: | October 31, 1848 |
| Applied: | |
| Title: | Insulating Support for Telegraph Wires |
| Description: | Block (glass) with zigzag slit held by hooded bracket |
| Category: | Block |
| Assigned to: |
Patentee Information:
| LIVINGSTON, Laureston R. | Pittsburg, PA |
| ROGGEN, John J. | Pittsburg, PA |
| ADAMS, Calvin | Pittsburg, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 154 | INSULATORS; Insulator and conductor embracing holder; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 175 | INSULATORS; With conductor holding means; Insulator structure; Self-retaining; |
Known specimens:
| None known |
Drawings:
Page 1 |