Patent information:
| Patent: | Utility 448,703 |
| Patented: | March 24, 1891 |
| Applied: | January 29, 1891 |
| Title: | Support for Electric Line Wires |
| Description: | Hanger insulator for trolley conductor |
| Category: | Hanger |
| Assigned to: |
Patentee Information:
| WIRT, Herbert C. | Boston, MA |
Class and subclass information:
| Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
| Subclass: | 42 | CONDUCTORS; Trolley; Supports; Combined ears and insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 139 | INSULATORS; Combined; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 160 | INSULATORS; With insulator-supporting or attaching means; Strand engaging suspension means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 169 | INSULATORS; With conductor holding means; Fitting or terminal type; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 172 | INSULATORS; With conductor holding means; Insulator embracing; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 202 | INSULATORS; With terminal elements; Pin type; Screw or bayonet type; |
Known specimens:
| None known |
Drawings:
Page 1 |