Patent information:
| Patent: | Utility 917,031 |
| Patented: | April 6, 1909 |
| Applied: | September 3, 1908 |
| Title: | Insulator for High Tension transmission lines |
| Description: | Insulator with weakening grooves in top skirt |
| Category: | Insulator |
| Assigned to: | General Electric Co. |
Patentee Information:
| EVELETH, Charles E. | Schenectady, NY |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 212 | INSULATORS; Surface configuration; |
Known specimens:
| Number: | M 2202 |
| Number: | M 2505 |
Drawings:
Page 1 |