Patent information:
| Patent: | Utility 1,227,680 |
| Patented: | May 29, 1917 |
| Applied: | August 13, 1915 |
| Title: | Method of Screw-Threading Articles Made of Horn |
| Description: | Method of threading insulators made of animal horn (see 1,333,188) |
| Category: | Horn |
| Assigned to: |
Patentee Information:
| SEGRE, Mario | Vercelli,, Italy |
Class and subclass information:
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 318 | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE; Shaping against forming surface (e.g., casting, die shaping, etc.); Molding trapped undercut article portion; |
| 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:
| None known |
Drawings:
Page 1 |
Page 2 |