Patent information:
| Patent: | Utility 4,047,279 |
| Patented: | September 13, 1977 |
| Applied: | October 26, 1976 |
| Title: | Upgrading Current Distribution Insulators |
| Description: | Miscellaneous insulator with male screw to receive existing insulator for upgrading |
| Category: | Miscellaneous |
| Assigned to: | W. Leon Sell/Ernest E. Pettit/R. Don Sell |
Patentee Information:
| PETTIT, Ernest E. | Independence, MO |
Class and subclass information:
| Class: | 29 | METAL WORKING |
| Subclass: | 825 | METHOD OF MECHANICAL MANUFACTURE; Electrical device making; Conductor or circuit manufacturing; |
| Class: | 29 | METAL WORKING |
| Subclass: | 887 | METHOD OF MECHANICAL MANUFACTURE; Electrical device making; Insulator making; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 150 | INSULATORS; Multiple insulator assemblies; Strings and stacks; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 165 | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Penetrating element socketed in insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 195 | INSULATORS; With terminal elements; Pin type; Multi-part insulators; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 202 | INSULATORS; With terminal elements; Pin type; Screw or bayonet type; |
Known specimens:
| None known |
Drawings:
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