Patent information:
| Patent: | Utility 123,198 |
| Patented: | January 30, 1872 |
| Applied: | |
| Title: | Improvement in Telegraphic Insulators and Brackets |
| Description: | Cylindrical, slotted insulator with flanges and bracket |
| Category: | Cylinder |
| Assigned to: |
Patentee Information:
| ROBERTSON, John | Carbondale, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 163R | INSULATORS; With insulator-supporting or attaching means; Support and/or insulator embracing or clamping; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 167 | INSULATORS; With conductor receiving aperture or bushing type; |
Known specimens:
| None known |
Drawings:
Page 1 |