Patent information:
| Patent: | Utility 759,429 |
| Patented: | May 10, 1904 |
| Applied: | March 21, 1903 |
| Title: | Machine for Heading Insulators |
| Description: | Machine for forming the heads on pottery or porcelain wall tubes |
| Category: | Wall Tube |
| Assigned to: |
Patentee Information:
| FIRESTONE, Truman L. | Akron, OH |
Class and subclass information:
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 444 | SHAPING SURFACE INCLUDING MEANS TO RELEASE OR REMOVE PRODUCT FROM SHAPING SURFACE; By movable ejector means entering mold cavity; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 397 | PREFORM RESHAPING OR RESIZING MEANS: OR VULCANIZING MEANS INCLUDING A CONFORMING PREFORM SUPPORT; Coacting shaping surfaces (e.g., pressure surfaces, etc.); Including particular handling means for preform; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 445 | MEANS TREATING SHAPED WORK; |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |