Patent information:
| Patent: | Design 9,956 |
| Patented: | May 8, 1877 |
| Applied: | April 14, 1877 |
| Title: | Design for Telegraph Insulators |
| Description: | Telegraph insulator |
| Category: | Pin-type |
| Assigned to: |
Patentee Information:
| BROOKFIELD, James M. | Brooklyn, NY |
Class and subclass information:
| Class: | D13 | EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION OF ENERGY |
| Subclass: | 130 |
Known specimens:
| None known |
Drawings:
Page 1 |