Patent information:
| Patent: | Utility 1,712,900 |
| Patented: | May 14, 1929 |
| Applied: | May 28, 1925 |
| Title: | Method of Making Forged Insulator Caps |
| Description: | Method to manufacture steel cap for suspension disks |
| Category: | Manufacturing |
| Assigned to: | Locke Insulator Corp. |
Patentee Information:
| OSBORNE, David H. | Baltimore, MD |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 161R | INSULATORS; With insulator-supporting or attaching means; Adjustably or movably mounted; |
| Class: | 29 | METAL WORKING |
| Subclass: | 887 | METHOD OF MECHANICAL MANUFACTURE; Electrical device making; Insulator making; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 141R | INSULATORS; Combined; With conductive arcing or stress distributing means; Strings or stacks; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 188 | INSULATORS; With terminal elements; Cap type; |
| Class: | 403 | JOINTS AND CONNECTIONS |
| Subclass: | 353 | INTERFITTED MEMBERS; Assembled by plural manipulations of member; |
| Class: | 403 | JOINTS AND CONNECTIONS |
| Subclass: | 360 | INTERFITTED MEMBERS; Externally shouldered or headed rod; |
Known specimens:
| None known |
Drawings:
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