Patent information:
| Patent: | Utility 657,574 |
| Patented: | September 11, 1900 |
| Applied: | December 11, 1899 |
| Title: | High Voltage Insulator |
| Description: | Heater (electric) imbedded in insulator body |
| Category: | Heater |
| Assigned to: |
Patentee Information:
| SINDING-LARSEN, Alf | Frederiksvaern,, Norway |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 139 | INSULATORS; Combined; |
Known specimens:
| None known |
Drawings:
Page 1 |