Patent information:
| Patent: | Utility 1,329,656 |
| Patented: | February 3, 1920 |
| Applied: | April 3, 1914 |
| Title: | Insulator |
| Description: | Nail knob made by Triangle M (Illinois Electric Porcelain Co.) with captivated nail. (DIXIE NAILIT) |
| Category: | Knob |
| Assigned to: | Charles Tremain |
Patentee Information:
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 157 | INSULATORS; Divided insulator; Aligned through aperture; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 201 | INSULATORS; With terminal elements; Pin type; Through pin; |
| Class: | 248 | SUPPORTS |
| Subclass: | 71 | PIPE OR CABLE; Brackets; With support penetrating means; |
Known specimens:
| Number: |  |
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Drawings:
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