Patent information:
| Patent: | Utility 90,578 |
| Patented: | May 25, 1869 |
| Applied: | |
| Title: | Improvement in Lightning Rod Couplings |
| Description: | Coupling for lightning rods where the ends can be screwed together (see reissue 8,304) |
| Category: | Lightning Rod Coupling |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 403 | JOINTS AND CONNECTIONS |
| Subclass: | 379.3 | INTERFITTED MEMBERS; Including discrete retainer; For telescoping members; Transverse pin; Bolt, rivet, or screw; |
| Class: | 15 | BRUSHING, SCRUBBING, AND GENERAL CLEANING |
| Subclass: | 173 | |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 133R | CONDUITS, CABLES OR CONDUCTORS; Conductor structure (nonsuperconductive); Noncircular strand section; |
Known specimens:
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Drawings:
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