Patent information:
| Patent: | Utility 151,352 |
| Patented: | May 26, 1874 |
| Applied: | May 15, 1874 |
| Title: | Improvement in Machines for Molding Plastic Materials |
| Description: | Press and plunger to form threadless pinhole in glass |
| Category: | Press |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 305 | PRESS MOLDING MACHINE; |
Known specimens:
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Drawings:
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