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Class Information
Number: 84/161
Name: Music > Instruments > Automatic > Selectors > Note sheets
Description: Improvements in the sheet, its material, construction, perforations, or attachments.

Sub-classes under this class:

Class Number Class Name Patents
84/162 Ends and joints 0
84/163 Overlapping holes 0
84/164 With expression and tempo marks 0
84/165 With marks for voice 0
84/166 With projections 0

Patents under this class:

Patent Number Title Of Patent Date Issued
5698801 Musical display device Dec. 16, 1997

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