Patent information:
| Patent: | Utility 866,787 |
| Patented: | September 24, 1907 |
| Applied: | August 20, 1906 |
| Title: | Furnace |
| Description: | Producer gas furnace combined with boiler |
| Category: | HI |
| Assigned to: |
Patentee Information:
| HEMINGRAY, Ralph G. | Muncie, IN |
| JENSEN, John O. | Rochester, NY |
Class and subclass information:
| Class: | 122 | LIQUID HEATERS AND VAPORIZERS |
| Subclass: | 23 | |
| Class: | 431 | COMBUSTION |
| Subclass: | 168 |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |
Page 3 |