Patent information:

Patent:Utility 716,343
Patented:December 16, 1902
Applied:May 8, 1901
Title:Machine for Forming the Interiors of Plastic Materials
Description:Press for making porcelain insulators
Category:Press
Assigned to: 

Patentee Information:

LOCKE, Fred M. Victor, NY

Class and subclass information:

Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:418PRESS FORMING APPARATUS HAVING OPPOSED PRESS MEMBERS Male shaping member and female mold Means rotating male shaping members;
Class:65GLASS MANUFACTURING
Subclass:316PRESS MOLDING MACHINE With means to rotate plunger during withdrawal;
Class:65GLASS MANUFACTURING
Subclass:355MEANS HEATING OR COOLING APPARATUS;
Class:86AMMUNITION AND EXPLOSIVE-CHARGE MAKING
Subclass:20.12 
Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:420PRESS FORMING APPARATUS HAVING OPPOSED PRESS MEMBERS Male shaping member and female mold Including provision to remove entrained gas;
Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:DIG110Heated mold;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1