Patent information:
| Patent: | Utility 2,155,848 |
| Patented: | April 25, 1939 |
| Applied: | November 14, 1936 |
| Title: | Insulator |
| Description: | Helical suspension & helical post type |
| Category: | Helical |
| Assigned to: | The Ohio Brass Co. |
Patentee Information:
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 139 | INSULATORS; Combined; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 211 | INSULATORS; With moisture or dirt removing or shedding; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 212 | INSULATORS; Surface configuration; |
Known specimens:
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Drawings:
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