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:
Class and subclass information:
Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
Subclass: | 137R | INSULATORS; |
Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
Subclass: | 325 | MECHANICAL 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:
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Drawings:
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