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.
Category:Press
Assigned to:Westinghouse Electric & Mfg. Co.

Patentee Information:

FISCHER, Eugene H. Derry, PA

Class and subclass information:

Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:614OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM Of electrical article or electrical component (i.e., not insulator, per se);
Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:571DIRECT APPLICATION OF FLUID PRESSURE DIFFERENTIAL TO PERMANENTLY SHAPE, DISTORT, OR SUSTAIN WORK Including use of vacuum;
Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:681OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM Producing metal oxide containing product;
Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:DIG.78 
Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:405.1MEANS TO CREATE A VACUUM OR APPLY FLUID PRESSURE WITHIN A PRESS FORMING MOLD;
Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:422PRESS 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:

Drawing page 1

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