Patent information:
| Patent: | Utility 1,291,217 |
| Patented: | January 14, 1919 |
| Applied: | February 10, 1917 |
| Title: | Adjustable Suspension Insulator |
| Description: | Suspension disk with adjustable length pin to equalize the potential across each disk to reduce arc-over |
| Category: | Suspension |
| Assigned to: |
Patentee Information:
| SONNEBORN, Sol S. | Brooklyn, NY |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 141R | INSULATORS; Combined; With conductive arcing or stress distributing means; Strings or stacks; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 182 | INSULATORS; With terminal elements; Plural; Cap and pin; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 189 | INSULATORS; With terminal elements; Cap type; Plastic material adhered; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 196 | INSULATORS; With terminal elements; Pin type; Plastic material adhered; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 201 | INSULATORS; With terminal elements; Pin type; Through pin; |
| Class: | 200 | ELECTRICITY: CIRCUIT MAKERS AND BREAKERS |
| Subclass: | DIG4 | High potential type insulation; |
Known specimens:
| None known |
Drawings:
Page 1 |