Inversely proportioned mouthpieces

Music – Instruments – Wind

Reexamination Certificate

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Reexamination Certificate

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07078605

ABSTRACT:
Mouthpieces for brass wind musical instruments are shaped so the physical length of a mouthpiece body (40, 50, 60, 70, &80) is inversely-proportional to the volumetric size of a corresponding cup-chamber (42, 52, 62, 72, &82). Methods for constructing separate sets of such mouthpieces for each kind of brass wind instrument are disclosed. Other embodiments include variations like multi-section components and alternative backbore shapes.

REFERENCES:
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patent: 4258605 (1981-03-01), Lorenzini
patent: 4395933 (1983-08-01), Shepley
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Bob Reeves Company Advertisement, in “Journal of the International Trumpet Guild”, Spring, 2003, USA, “If you only want a trumpet mouthpiece . . . ”.
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GRMOUTHPIECES.COM, website article, “GR Mouthpiece Backbores”, p. 1 of 1, by Gary Radtke, printed Jan. 29, 2004 USA.

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