Patent information:
| Patent: | Utility 98,270 |
| Patented: | December 28, 1869 |
| Applied: | |
| Title: | Improvement in Machine for Grinding Glass Jars |
| Description: | Use of adjustable arms to grind the mouth of glass jars |
| Category: | Jar |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 451 | ABRADING |
| Subclass: | 291 | |
| Class: | 451 | ABRADING |
| Subclass: | 385 | |
Known specimens:
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Drawings:
Page 1 |
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