Patent information:
| Patent: | Utility 324,957 |
| Patented: | August 25, 1885 |
| Applied: | November 13, 1884 |
| Title: | Telegraph Insulator |
| Description: | Insulator (glass) screwed into crossarm |
| Category: | Insulator |
| Assigned to: |
Patentee Information:
| PUTNAM, Jacob D. | South Lyndeborough, NH |
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: | 162 | INSULATORS; With insulator-supporting or attaching means; Double arm; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 174 | INSULATORS; With conductor holding means; Insulator structure; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 194 | INSULATORS; With terminal elements; Pin type; |
Known specimens:
| None known |
Drawings:
Page 1 |