Patent information:
Patent: | Utility 932,523 |
Patented: | August 31, 1909 |
Applied: | September 10, 1908 |
Title: | Insulator for Third Rails |
Description: | Third rail insulator. |
Category: | Third Rail |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
Subclass: | 32 | CONDUCTORS; Third rail; Supports; |
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
Known specimens:
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Drawings:
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