Patent information:
| Patent: | Utility 258,061 |
| Patented: | May 16, 1882 |
| Applied: | March 2, 1882 |
| Title: | Screw for Fastening Telegraph Wires |
| Description: | Metal screw with self-tying end for holding a telegraph wire. |
| Category: | Screw |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 256 | FENCES |
| Subclass: | 53 | WIRE; Connections; Cross; Nonaligned slots; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 170 | INSULATORS; With conductor holding means; Fitting or terminal type; Hooks; |
| Class: | 256 | FENCES |
| Subclass: | 48 | WIRE; Connections; Cross; |
| Class: | 411 | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| Subclass: | 402 | EXTERNALLY THREADED FASTENER ELEMENT, E.G., BOLT, SCREW, ETC.; Head driving structure; |
Known specimens:
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Drawings:
Page 1 |
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