Patent information:
| Patent: | Utility 160,016 |
| Patented: | February 23, 1875 |
| Applied: | August 28, 1874 |
| Title: | Improvement in Paper Perforating Machines |
| Description: | Machine for perforating paper glass etching patterns |
| Category: | HI |
| Assigned to: |
Patentee Information:
| HEMINGRAY, Robert | Covington, KY |
Class and subclass information:
| Class: | 83 | CUTTING |
| Subclass: | 333 | CUTTING MOTION OF TOOL HAS COMPONENT IN DIRECTION OF MOVING WORK; Orbital motion of cutting blade; Rotary tool; With undulant cutting edge (e.g., "pinking" tool); |
| Class: | 83 | CUTTING |
| Subclass: | 508 | ROTATABLE DISC TOOL PAIR OR TOOL AND CARRIER; Tool pair comprises rotatable tool and nonrotatable tool; |
Known specimens:
| None known |
Drawings:
Page 1 |