Patent information:
| Patent: | Utility 304,748 |
| Patented: | September 9, 1884 |
| Applied: | May 31, 1884 |
| Title: | Mold for Making Glass Insulators |
| Description: | Threads formed with hinged thread forming tool |
| Category: | Thread |
| Assigned to: |
Patentee Information:
| OAKMAN, Samuel | Melrose, MA |
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 362 | PLUNGER; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |
Page 2 |