Patent information:
| Patent: | Utility 644,646 |
| Patented: | March 6, 1900 |
| Applied: | December 12, 1899 |
| Title: | Insulator for Use on Electric Railways |
| Description: | Third rail insulator |
| Category: | Third Rail |
| Assigned to: |
Patentee Information:
| THOMAS, James | Catasauqua, PA |
| THOMAS, William R. | Catasauqua, PA |
Class and subclass information:
| Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
| Subclass: | 32 | CONDUCTORS; Third rail; Supports; |
Known specimens:
| None known |
Drawings:
Page 1 |