Patent information:
| Patent: | Utility 1,536,749 |
| Patented: | May 5, 1925 |
| Applied: | December 3, 1919 |
| Title: | Insulator |
| Description: | Multipart (RFI) with sanded, metal coated groove & cement (see 1,284,975) |
| Category: | Multipart |
| Assigned to: | The Ohio Brass Co. |
Patentee Information:
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 140C | INSULATORS; Combined; With conductive arcing or stress distributing means; Coated; |
| Class: | 29 | METAL WORKING |
| Subclass: | 887 | METHOD OF MECHANICAL MANUFACTURE; Electrical device making; Insulator making; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 126.4 | CONDUITS, CABLES OR CONDUCTORS; Conductor structure (nonsuperconductive); Metal coated on insulation; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 210 | INSULATORS; Sectional, multi-part, composite, or coated; Pin socket type; |
Known specimens:
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Drawings:
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