Patent information:
| Patent: | Utility 1,779,811 |
| Patented: | October 28, 1930 |
| Applied: | January 3, 1928 |
| Title: | Method of Manufacturing Insulators |
| Description: | Press for making skirts/petticoats in one-piece porcelain (replaces casting) |
| Category: | Press |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 296 | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE; Plural sequential shaping or molding steps on same workpiece; One step reshapes portion only of article; |
| Class: | 249 | STATIC MOLDS |
| Subclass: | 59 | FORMING HELICAL OR THREADED PRODUCT; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 333 | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE; Shaping against forming surface (e.g., casting, die shaping, etc.); Applying heat or pressure; Inorganic hydraulic settable material shaping; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 324.1 | DIVERSE DISTINCT TYPE SHAPING MEANS; |
Known specimens:
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Drawings:
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