Patent information:
Patent: | Utility 1,171,205 |
Patented: | February 8, 1916 |
Applied: | August 18, 1909 |
Title: | Process of Manufacturing Porcelain Articles |
Description: | Method of forming the shape of a spark plug insulator from a dry blank |
Category: | Manufacturing |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
Subclass: | 679 | OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM; Of clay containing material; |
Class: | 451 | ABRADING |
Subclass: | 167 | |
Class: | 451 | ABRADING |
Subclass: | 247 | |
Class: | 451 | ABRADING |
Subclass: | 41 | |
Known specimens:
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Drawings:
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