Patent information:
| Patent: | Utility 71,418 |
| Patented: | November 26, 1867 |
| Applied: | |
| Title: | Improvement in Telegraph Insulators |
| Description: | Cup under insulator (similar to oil insulator) to maintain dry surfaces (see reissue 3,499 on 6-8-1869) Patent was used by Central Electric Co. |
| Category: | Oil |
| Assigned to: |
Patentee Information:
| SIMONDS, W. Edgar | Hartford, CT |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 30 | WITH FLUIDS OR VACUUM; Insulators; |
Known specimens:
| None known |
Drawings:
Page 1 |