Patent information:
| Patent: | Utility 1,000,493 |
| Patented: | August 15, 1911 |
| Applied: | September 27, 1910 |
| Title: | Insulator for Electric Railway Cars |
| Description: | Spool type insulator to suspend electrical equipment from electric train cars |
| Category: | Miscellaneous |
| Assigned to: |
Patentee Information:
| CHRISTENSEN, John | Evans City, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 138R | INSULATORS; Special application; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 166R | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Through aperture, penetrating element clamped; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 180 | INSULATORS; With terminal elements; Plural; Multi-part, sectional or composite insulator; Pin and opposed overlapping terminal; |
Known specimens:
| None known |
Drawings:
Page 1 |