Patent information:
| Patent: | Utility 88,066 |
| Patented: | March 23, 1869 |
| Applied: | |
| Title: | Improved Glass Furnace |
| Description: | Improved glass furnace with blower to remove fumes and improve the draught |
| Category: | Furnace |
| Assigned to: |
Patentee Information:
| OAKMAN, Samuel | Boston, MA |
Class and subclass information:
| Class: | 432 | HEATING |
| Subclass: | 189 | WORK CHAMBER HAVING HEATING MEANS; Combustion products heat work by contact; Distinct combustion chamber feeds work chamber; Having pump or jet means forcing air into combustion chamber; |
| Class: | 432 | HEATING |
| Subclass: | 191 | WORK CHAMBER HAVING HEATING MEANS; Combustion products heat work by contact; Distinct combustion chamber feeds work chamber; Plural distinct combustion chambers feed single work chamber; |
| Class: | 432 | HEATING |
| Subclass: | 205 | WORK CHAMBER HAVING HEATING MEANS; Work chamber having gaseous material supply or removal structure; Having pump, jet or valve means establishing chamber pressure distinct from ambient; |
Known specimens:
| None known |
Drawings:
Page 1 |