Patent information:
Patent: | Utility 121,686 |
Patented: | December 5, 1871 |
Applied: | |
Title: | Improvement in Sounding Boards for Pianos |
Description: | Support for piano comprised of three layers of wooden boards |
Category: | Piano |
Assigned to: | |
Patentee Information:
Class and subclass information:
Class: | 84 | MUSIC |
Subclass: | 190 | |
Known specimens:
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Drawings:
Page 1 |
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