Patent information:
| Patent: | Utility 922,951 |
| Patented: | May 25, 1909 |
| Applied: | May 2, 1907 |
| Title: | Third Rail Insulator |
| Description: | Conical shaped third rail insulator. |
| Category: | Third Rail |
| Assigned to: | Essex Co. |
Patentee Information:
| RANDOLPH, Leonard M. | Newark, NJ |
Class and subclass information:
| Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
| Subclass: | 32 | CONDUCTORS; Third rail; Supports; |
Known specimens:
| None known |
Drawings:
Page 1 |