Patent information:
Patent: | Utility 402,836 |
Patented: | May 7, 1889 |
Applied: | February 1, 1889 |
Title: | Insulator and Holder for Electric Railways |
Description: | Third rail insulator clamps the rail upsidedown. |
Category: | Third Rail |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
Subclass: | 23R | CONDUCTORS; Conduit; |
Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
Subclass: | 32 | CONDUCTORS; Third rail; Supports; |
Known specimens:
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Drawings:
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