Patent information:
| Patent: | Utility 196,235 |
| Patented: | October 16, 1877 |
| Applied: | January 27, 1877 |
| Title: | Improvement in Lightning Rods |
| Description: | Lightning rod made with a spirally fluted tubular core with one or more smaller tubular wires wrapped around in the fluted depressions with coupling having a male thread on each end to screw into end of rod which has female threads |
| Category: | Lightning Rod |
| Assigned to: |
Patentee Information:
| KNAPP, George S. | Chicago, IL |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 129R | CONDUITS, CABLES OR CONDUCTORS; Conductor structure (nonsuperconductive); Plural strand; Assemblies of noncircular section; |
| Class: | 403 | JOINTS AND CONNECTIONS |
| Subclass: | 275 | MEMBER DEFORMED IN SITU; Separating element between strands of member; |
| Class: | 403 | JOINTS AND CONNECTIONS |
| Subclass: | 296 | MEMBER ENDS JOINED BY INSERTED SECTION; Section threaded to member; |
Known specimens:
| None known |
Drawings:
Page 1 |