Patent information:
| Patent: | Utility 1,822,037 |
| Patented: | September 8, 1931 |
| Applied: | February 24, 1928 |
| Title: | Method of Making Insulator Racks |
| Description: | Method of making rack spool brackets (see 1,794,520) |
| Category: | Manufacturing |
| Assigned to: | Hubbard & Co. |
Patentee Information:
| KERSCHNER, Richard M. | Pittsburgh, PA |
Class and subclass information:
| Class: | 29 | METAL WORKING |
| Subclass: | 887 | METHOD OF MECHANICAL MANUFACTURE; Electrical device making; Insulator making; |
| Class: | 248 | SUPPORTS |
| Subclass: | 300 | BRACKETS; Of sheet material; |
| Class: | 248 | SUPPORTS |
| Subclass: | 67.7 | PIPE OR CABLE; Brackets; Double arm; |
Known specimens:
| None known |
Drawings:
Page 1 |