Patent information:
| Patent: | Utility 2,218,004 |
| Patented: | October 15, 1940 |
| Applied: | May 28, 1936 |
| Title: | Porcelain Insulator Screw Bracket |
| Description: | Wireholder with lag screw |
| Category: | Wireholder |
| Assigned to: | Line Material Co. |
Patentee Information:
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 154 | INSULATORS; Insulator and conductor embracing holder; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 162 | INSULATORS; With insulator-supporting or attaching means; Double arm; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 163R | INSULATORS; With insulator-supporting or attaching means; Support and/or insulator embracing or clamping; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 164 | INSULATORS; With insulator-supporting or attaching means; Support penetrating; |
Known specimens:
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Drawings:
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