Patent information:
| Patent: | Utility 216,138 |
| Patented: | June 3, 1879 |
| Applied: | January 29, 1879 |
| Title: | Improvement in Telegraph Insulators |
| Description: | Insulator suspended under crossarm by screw to hold wireholder |
| Category: | Insulator |
| Assigned to: |
Patentee Information:
| BLOOMFIELD, John H. | Concordia, Entre Rios, Argentina |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 166R | INSULATORS; With insulator-supporting or attaching means; Support penetrating; Through aperture, penetrating element clamped; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 211 | INSULATORS; With moisture or dirt removing or shedding; |
Known specimens:
| None known |
Drawings:
Page 1 |