Patent information:
| Patent: | Utility 992,397 |
| Patented: | May 16, 1911 |
| Applied: | August 18, 1910 |
| Title: | Insulator |
| Description: | Self-tying screw top |
| Category: | Self-tying Screw Top |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 165 | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Penetrating element socketed in insulator; |
Known specimens:
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Drawings:
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