Patent information:

Patent:Utility 1,333,188
Patented:March 9, 1920
Applied:April 11, 1919
Title:Manufacture of Hollow Articles from Horn
Description:Manufacture of insulators from animal horn (see 1,227,680)
Category:Horn
Assigned to: 

Patentee Information:

SEGRE, Mario Vercelli,, Italy

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:137RINSULATORS;
Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:325MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE Shaping against forming surface (e.g., casting, die shaping, etc.) Applying heat or pressure Reshaping solid work or introducing solid work into mold cavity Utilizing closed mold cavity;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1