Patent information:
| Patent: | Utility 887,520 |
| Patented: | May 12, 1908 |
| Applied: | September 6, 1907 |
| Title: | Insulator |
| Description: | Knob - self-tying |
| Category: | Knob |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 175 | INSULATORS; With conductor holding means; Insulator structure; Self-retaining; |
| Class: | 24 | BUCKLES, BUTTONS, CLASPS, ETC. |
| Subclass: | 129R | CORD AND ROPE HOLDERS; One-piece; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 166R | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Through aperture, penetrating element clamped; |
| Class: | 256 | FENCES |
| Subclass: | DIG3 | Wire clamp; |
Known specimens:
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Drawings:
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