Patent information:
| Patent: | Utility 780,316 |
| Patented: | January 17, 1905 |
| Applied: | June 10, 1904 |
| Title: | Third Rail Insulator |
| Description: | Cylindrical third rail insulator with inner core of cement to secure the metal cap and metal support to the insulator. |
| Category: | Third Rail |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
| Subclass: | 32 | CONDUCTORS; Third rail; Supports; |
Known specimens:
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Drawings:
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