Patent information:
| Patent: | Utility 829,416 |
| Patented: | August 28, 1906 |
| Applied: | December 14, 1905 |
| Title: | Third Rail Insulator |
| Description: | Third rail insulator with 2-part metal cap to secure the rail. |
| Category: | Third Rail |
| Assigned to: | 1/2 to Frank J. Guernsey |
Patentee Information:
| MCGILL, John J. | Chicago, IL |
Class and subclass information:
| Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
| Subclass: | 32 | CONDUCTORS; Third rail; Supports; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 137R | INSULATORS; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 163R | INSULATORS; With insulator-supporting or attaching means; Support and/or insulator embracing or clamping; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 171 | INSULATORS; With conductor holding means; Fitting or terminal type; Special conductor form; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 190 | INSULATORS; With terminal elements; Cap type; Divided cap; |
Known specimens:
| None known |
Drawings:
Page 1 |