Patent information:
| Patent: | Utility 455,400 |
| Patented: | July 7, 1891 |
| Applied: | February 17, 1891 |
| Title: | Manufacture of Knob Molds |
| Description: | Method of forming mold boxes for the manufacture of knobs. |
| Category: | Knob |
| Assigned to: | H. Brunt & Son |
Patentee Information:
| HEADLEY, Harry | East Liverpool, OH |
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 409 | PRESS FORMING APPARATUS HAVING OPPOSED PRESS MEMBERS; Pressure applying member mounted for arcuate motion; |
Known specimens:
| None known |
Drawings:
Page 1 |