| RX Patent: RX-4 
 | 
| Domestic Oven Improvement in an Oven called the "Union Oven"
 | 
| 
| Patentee: |  |
 | J. Swift Gold (exact or similar names) - New York, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
 | 
| Patent Dates: |  
| Granted: | Aug. 06, 1838 |  
 
| Reissue Information: |  | Reissue of 7,860X (Dec. 16, 1833) |  Report data errors or omissions to steward 
                        Joel Havens
 X-Patents
 USPTO Images
 USPTO Info
 
 | 
| 
| Description: |  | RX patents are reissues of X patents that were destroyed in the Dec. 1836 patent office fire. |  |