Patent information:
| Patent: | Utility 124,200 |
| Patented: | March 5, 1872 |
| Applied: | |
| Title: | Improvement in Telegraph Insulators |
| Description: | Earthenware insulator soaked in mix of wax and rosin then in petroleum |
| Category: | Earthenware |
| Assigned to: |
Patentee Information:
| FARMER, Moses G. | Salem, MA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 206 | INSULATORS; With terminal elements; Pin type; Screw or bayonet type; Sockets; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | DIG54 | Processes in making insulators; |
Known specimens:
| None known |
Drawings:
Page 1 |