Patent information:
| Patent: | Utility 161,912 |
| Patented: | April 13, 1875 |
| Applied: | January 11, 1875 |
| Title: | Improvement in Modes of Forming Sheet Metal Threaded Collars |
| Description: | Oil lamp collar |
| Category: | HU |
| Assigned to: |
Patentee Information:
| TAPLIN, Alvin | Forestville, CT |
Class and subclass information:
| Class: | 72 | METAL DEFORMING |
| Subclass: | 379.2 | |
| Class: | 76 | METAL TOOLS AND IMPLEMENTS, MAKING |
| Subclass: | 117 | |
| Class: | 285 | PIPE JOINTS OR COUPLINGS |
| Subclass: | 148.24 | SERIAL,RELATIVELY MOVABLE PORTIONS; Serial diverse single flow path or line; Diverse size or shape; Reducer; Sheet-metal (e.g., stove duct, etc.); |
| Class: | 470 | |
| Subclass: | 18 | |
| Class: | 470 | |
| Subclass: | 84 |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |