Patent information:
| Patent: | Utility 470,417 |
| Patented: | March 8, 1892 |
| Applied: | October 1, 1891 |
| Title: | Insulator for Trolley Wires |
| Description: | Cylinder of wood used for trolley wire hanger |
| Category: | Wood |
| Assigned to: | The Edison General Electric Co. |
Patentee Information:
| ANDREWS, William S. | New York, NY |
| BALL, Henry Price | Brooklyn, NY |
Class and subclass information:
| 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: | 139 | INSULATORS; Combined; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 186 | INSULATORS; With terminal elements; Plural; Caps; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 188 | INSULATORS; With terminal elements; Cap type; |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |