Patent information: 
  | Patent: | Utility 153,101 |  
  | Patented: | July 14, 1874 |  
  | Applied: | June 4, 1874 |  
  | Title: | Improvement in Piano Sound Insulating Attachments |  
  | Description: | Glass insert in a piano leg with hole for mounting a caster wheel |  
  | Category: | Piano |  
  | Assigned to: |   |  
 
Patentee Information: 
Class and subclass information: 
  | Class: | 84 | MUSIC |  
  | Subclass: | 191 |   |  
 
Known specimens: 
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 Drawings: 
 
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