Patent information:
| Patent: | Utility 196,493 |
| Patented: | October 23, 1877 |
| Applied: | July 31, 1877 |
| Title: | Improvement in Lightning Conductors |
| Description: | Lighning rod conductor with improved grounding |
| Category: | Lightning Rod Conductor |
| Assigned to: |
Patentee Information:
| SPANG, Henry W. | Reading, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 2 | LIGHTNING PROTECTION; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 4R | AIR TERMINALS; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 6 | EARTH GROUNDS; |
Known specimens:
| None known |
Drawings:
Page 1 |