Patent information:
| Patent: | Utility 187,725 |
| Patented: | February 27, 1877 |
| Applied: | February 6, 1877 |
| Title: | Improvement in Molding Glass |
| Description: | Improved method to mold necks on bottles (patent date reported on glass chard) |
| Category: | Mold |
| Assigned to: |
Patentee Information:
| OAKMAN, Samuel | Winchester, MA |
Class and subclass information:
| Class: | 215 | BOTTLES AND JARS |
| Subclass: | 329 | CLOSURES; Cap type; Removably attached to receptacle by relative rotation between keepers (e.g., screw threads or lugs); |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 77 | PROCESSES; Forming product or preform from molten glass; Initial forming of hollow product or preform in mold cavity; With additional forming step; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 588 | FEMALE MOLD AND CHARGER TO SUPPLY FLUENT STOCK UNDER PRESSURE THERETO IN FLUID-TIGHT RELATIONSHIP (E.G., INJECTION MOLD, ETC.); Plural mold cavities; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | DIG228 | Injection plunger or ram: transfer molding type; |
Known specimens:
| Number: |  |
Drawings:
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