Patent information:
| Patent: | Utility 455,107 |
| Patented: | June 30, 1891 |
| Applied: | March 28, 1890 |
| Title: | Insulator |
| Description: | Third rail insulator with cup to hold hygroscopic chemical and means to heat insulator to drive off moisture |
| Category: | Third Rail |
| Assigned to: |
Patentee Information:
| MUNSIE, James F. | Brooklyn, NY |
Class and subclass information:
| Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
| Subclass: | 27 | CONDUCTORS; Conduit; Heated; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 14R | WITH FLUIDS OR VACUUM; With fluid maintenance or conditioning means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 30 | WITH FLUIDS OR VACUUM; Insulators; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 139 | INSULATORS; Combined; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 169 | INSULATORS; With conductor holding means; Fitting or terminal type; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
| Class: | 191 | ELECTRICITY: TRANSMISSION TO VEHICLES |
| Subclass: | 32 | CONDUCTORS; Third rail; Supports; |
Known specimens:
| None known |
Drawings:
Page 1 |
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