Patent information:
| Patent: | Utility 150,112 |
| Patented: | April 21, 1874 |
| Applied: | March 11, 1874 |
| Title: | Improvement in Piano Forte Insulators |
| Description: | Glass cup to insulate a piano leg from sending musical vibrations to the floor |
| Category: | Piano |
| Assigned to: |
Patentee Information:
| VIGNERON, Charles | Providence, RI |
Class and subclass information:
| Class: | 84 | MUSIC |
| Subclass: | 191 | |
| Class: | 248 | SUPPORTS |
| Subclass: | 346.5 | SUPPORTING BASE; With upturned flange, projection, lip, or wall; |
Known specimens:
| None known |
Drawings:
Page 1 |