Patent information:
| Patent: | Utility 2,301,939 |
| Patented: | November 17, 1942 |
| Applied: | July 31, 1940 |
| Title: | Production of Ceramic Bodies |
| Description: | Press to make a very dense porcelain body. It is neither wet process nor dry process porcelain. The product was called ""Prestite"" porcelain. |
| Category: | Press |
| Assigned to: | Westinghouse Electric & Mfg. Co. |
Patentee Information:
| FISCHER, Eugene H. | Derry, PA |
Class and subclass information:
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 614 | OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM; Of electrical article or electrical component (i.e., not insulator, per se); |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 571 | DIRECT APPLICATION OF FLUID PRESSURE DIFFERENTIAL TO PERMANENTLY SHAPE, DISTORT, OR SUSTAIN WORK; Including use of vacuum; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 681 | OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM; Producing metal oxide containing product; |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | DIG.78 | |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 405.1 | MEANS TO CREATE A VACUUM OR APPLY FLUID PRESSURE WITHIN A PRESS FORMING MOLD; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 422 | PRESS FORMING APPARATUS HAVING OPPOSED PRESS MEMBERS; Male shaping member and female mold; With positive means to remove or eject product; |
Known specimens:
| None known |
Drawings:
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