Patent information:
| Patent: | Utility 421,819 |
| Patented: | February 18, 1890 |
| Applied: | June 26, 1889 |
| Title: | Insulator |
| Description: | Blocks (2) to hold wire and pole system |
| Category: | Block |
| Assigned to: |
Patentee Information:
| DAVY, John W. | Pittsburg, PA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 45R | OVERHEAD; Towers, poles or posts; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 163R | INSULATORS; With insulator-supporting or attaching means; Support and/or insulator embracing or clamping; |
Known specimens:
| None known |
Drawings:
Page 1 |