Guitar
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United States of America Patent
Stats
-
Oct 8, 1991
Grant Date -
N/A
app pub date -
Sep 13, 1990
filing date -
Sep 13, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A guitar has a hollow plastic body including spaced front and back panels, and a foam plastic core disposed between the panels, whereby upon vibration of the panels air trapped within the individual cells of the foam core are alternately pressurized and depressurized, thus to enhance the musical output of the guitar.
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Family
International Classification(s)
Cited Art Landscape
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