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US 4,905,567 AGranted
Musical instrument teaching aid
OwnerNicholas J. Kavoklis, Mary E. B. Kavoklisinventors
Life of this patent
Estimating the term…
Abstract
A teaching aid for keyboard instruments including first and second elongate sections configured to be snapped together to form an aid approximating the length of a typical keyboard. Each section has an outboard end notched so as to engage the end pieces of the instrument and front and rear indicia bearing surfaces with the indicia representing musical notes. The note spacing on the front surfaces comprises a first arrangement and the note spacing on the rear surfaces comprise a second, different arrangement.
Claims3
A teaching aid for keyboard instruments having one or more standard lengths, comprising:
- (a) a rigid member adapted to be positioned behind the keys;
- (b) said member having front and rear indicia bearing surfaces;
- (c) said member being collapsible and including a first section and a second section releasably interconnectable with each other;
- (d) said first and second sections being elongate, substantially flat segments each having first and second ends with said first ends being releasably engagable with each other and said second ends being engagable with the frame of said instrument;
- and
- (e) said second ends including elongate notches extending inwardly therefrom with said notches extending inwardly a sufficient distance to engage the end boards of instruments of varying standard lengths.
3 more elements
Dependencies are inferred from the claim text.