Patent information:
| Patent: | Utility 428,979 |
| Patented: | May 27, 1890 |
| Applied: | August 12, 1889 |
| Title: | Electric Insulator |
| Description: | Blocks coated with composition material to support overhead lines for electric railway |
| Category: | Composition |
| Assigned to: | The Gould & Watson Co. |
Patentee Information:
| WATSON, George B. | Boston, MA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 185 | INSULATORS; With terminal elements; Plural; Overlapping; Pin and opposed terminal; |
Known specimens:
| None known |
Drawings:
Page 1 |