USD205401S - Illuminable panel for visual aid keyboard instruction device - Google Patents
Illuminable panel for visual aid keyboard instruction device Download PDFInfo
- Publication number
- USD205401S USD205401S US D205401 S USD205401 S US D205401S
- Authority
- US
- United States
- Prior art keywords
- instruction device
- visual aid
- keyboard instruction
- illuminable panel
- panel
- Prior art date
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- 230000000007 visual effect Effects 0.000 title description 6
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Description
Des. 205,401 Patented August 2, 1966 ILLUMINABLE PANEL FOR VISUAL AID KEYBOARD INSTRUCTION DEVICE Arthur R. Schmoyer, Falls Church, Va. (P.O. Box 38, Beallsville, Md.)
Filed June 22, 1964, Ser. No. 80,542
Term of patent 14 years (Cl. D25-1) FIGURE 1 is a perspective view of an illuminable panel for visual aid keyboard instruction device, showing my new design.
FIGURE 2 is a front elevational view of the rear face of the panel member, shown in FIGURE 1.
The portions of the design that are shown stippled or lined for color in the drawings are of a contrasting color.
The characteristic feature of my design resides in the combination on a musical instruction panel of the type disclosed of the full length black and white key representation, each white key bearing its staff notation on the upper portion thereof, and each black key having a translucent spot through which the contrastingly colored back stripe is visible when appropriately back-lighted, substantially as shown.
References Cited by the Examiner UNITED STATES PATENTS 8/1945 Gudkov. 7/1960 Kaufman.
EDWIN H. HUNTER, Primary Examiner.
MELVIN FEIFER, Assistant Examiner.
Family
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