Patent information:
| Patent: | Utility 224,504 |
| Patented: | February 10, 1880 |
| Applied: | November 21, 1879 |
| Title: | Insulated Cresting |
| Description: | Lightning rod insulators (CD 317) used in roof cresting system |
| Category: | Lightning Rod Insulator |
| Assigned to: | Chambers National Lightning Protection Co. |
Patentee Information:
| CHAMBERS, Josephus C. | Cincinnati, OH |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 2 | LIGHTNING PROTECTION; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 4R | AIR TERMINALS; |
Known specimens:
| Number: | CD 317 |
Drawings:
Page 1 |