Patent information:
| Patent: | Utility 170,377 |
| Patented: | November 23, 1875 |
| Applied: | January 19, 1875 |
| Title: | Improvement in Lightning Rods |
| Description: | Coupling for hollow lightning rods composed of a hollow indented plug that fits into indentions in the rod ends |
| Category: | Lightning Rod Coupling |
| Assigned to: |
Patentee Information:
| JOHNSON, Isaac | Chicago, IL |
Class and subclass information:
| Class: | 285 | PIPE JOINTS OR COUPLINGS |
| Subclass: | 382 | DEFORMED; |
| Class: | 15 | BRUSHING, SCRUBBING, AND GENERAL CLEANING |
| Subclass: | 145 | |
| Class: | 279 | CHUCKS OR SOCKETS |
| Subclass: | 104 | |
| Class: | 285 | PIPE JOINTS OR COUPLINGS |
| Subclass: | 397 | INTERNAL SLEEVE; |
| Class: | 403 | JOINTS AND CONNECTIONS |
| Subclass: | 292 | MEMBER ENDS JOINED BY INSERTED SECTION; |
Known specimens:
| None known |
Drawings:
Page 1 |