Patent information:
| Patent: | Utility 1,730,171 |
| Patented: | October 1, 1929 |
| Applied: | July 28, 1923 |
| Title: | Insulator |
| Description: | Design with metal pin and metal projections to prevent arc-over |
| Category: | Suspension |
| Assigned to: | Westinghouse Electric & Mfg. Co. |
Patentee Information:
| SMITH, Harold B. | Worcester, MA |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 140R | INSULATORS; Combined; With conductive arcing or stress distributing means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 210 | INSULATORS; Sectional, multi-part, composite, or coated; Pin socket type; |
| Class: | 313 | ELECTRIC LAMP AND DISCHARGE DEVICES |
| Subclass: | 326 | ELECTRODE AND SHIELD STRUCTURES; |
Known specimens:
| None known |
Drawings:
Page 1 |