US Patent: 492,206
|
Machine for molding oval or other shapes from plastic material
|
Patentees:
|
Joseph O. Clark (exact or similar names) - Boston, MA |
Marshall E. Hunter (exact or similar names) - Boston, MA |
USPTO Classifications: |
264/DIG.067, 425/216, 425/236, 425/237, 425/89, 425/DIG.044, 83/112, 83/114, 83/116, 83/118, 83/121, 83/670, 83/698.41
|
|
Patent Dates:
|
Applied: |
Feb. 04, 1892 |
Granted: |
Feb. 21, 1893 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin
|
Description: |
The specification gives example applications of this machine: oyster crackers and medical tablets. |
|