Patent information:
| Patent: | Utility 1,690,989 |
| Patented: | November 6, 1928 |
| Applied: | May 24, 1926 |
| Title: | Multiple String Insulator Suspension |
| Description: | Suspensions made up of several strings of disks |
| Category: | Suspension |
| Assigned to: | The R. Thomas & Sons Co. |
Patentee Information:
| MARVIN, Richard H. | East Liverpool, OH |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 148 | INSULATORS; Multiple insulator assemblies; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 150 | INSULATORS; Multiple insulator assemblies; Strings and stacks; |
Known specimens:
| None known |
Drawings:
Page 1 |