Patent information:
| Patent: | Utility 2,213,425 |
| Patented: | September 3, 1940 |
| Applied: | July 28, 1938 |
| Title: | Insulator Fastener |
| Description: | Knob and bracket pin |
| Category: | Knob |
| Assigned to: | Western Wire Products Co. |
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: | 163F | INSULATORS; With insulator-supporting or attaching means; Support and/or insulator embracing or clamping; Fence post insulators; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 166R | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Through aperture, penetrating element clamped; |
| Class: | 411 | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| Subclass: | 451.1 | IMPACT DRIVEN FASTENER, E.G., NAIL, SPIKE, TACK, ETC.; Including integral locking means; Comprising protrusion or recess on shank; |
| Class: | 411 | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| Subclass: | 922 | NAIL, SPIKE OR TACK HAVING LOCKING DEVICE; |
Known specimens:
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Drawings:
Page 1 |
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