Patent information:
| Patent: | Utility 122,015 |
| Patented: | December 19, 1871 |
| Applied: | |
| Title: | Improvement in Molding Telegraph Insulators |
| Description: | CD 127.4; Press for making insulators first forming interior then threaded pinhole |
| Category: | Press |
| Assigned to: |
Patentee Information:
| HEMINGRAY, Robert | Covington, KY |
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 316 | PRESS MOLDING MACHINE; With means to rotate plunger during withdrawal; |
Known specimens:
| Number: | CD 127.4 |
Drawings:
Page 1 |
Page 2 |