Patent information:
| Patent: | Utility 107,075 |
| Patented: | September 6, 1870 |
| Applied: | |
| Title: | Improvement in Telegraph Insulators |
| Description: | Threaded screw top (external) for mounting in hole in crossarm or pole |
| Category: | Thread |
| Assigned to: |
Patentee Information:
| MCKEE, Samuel | Pittsburg, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 164 | INSULATORS; With insulator-supporting or attaching means; Support penetrating; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 212 | INSULATORS; Surface configuration; |
Known specimens:
| None known |
Drawings:
Page 1 |