Patent information:
| Patent: | Utility 989,231 |
| Patented: | April 11, 1911 |
| Applied: | June 5, 1908 |
| Title: | Insulator Support |
| Description: | Knob bracket |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| CHAMBERLAIN, Wilbur L. | East Hartford, CT |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 149R | INSULATORS; Multiple insulator assemblies; Multiple conductor; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 161R | INSULATORS; With insulator-supporting or attaching means; Adjustably or movably mounted; |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |