Class 84/393 - With substitute tubes

Subclass of Class 84 - Music
Definition: Each valve controls two tubes of different length, often
No. of patents: 4
Last issue date: 10/02/2001

Number	Title	Issue Date
6297436	Valve assembly for musical instruments A valve assembly including at least one valve body designed to be mounted on a musical instrument, such as but not limited to a trombone or like "brass" instrument and adapted to regulate air flow through the instrument, between at least a first path of a...	10/02/2001
5367938	Horn with intermediate tube network enlarged in inner diameter A full-double French horn comprises a mouth piece, a front tube member, an intermediate tube network associated with valves, a rear tube member and a bell for defining a vibrative column of air, and the inner diameter of the intermediate tube network affe...	11/29/1994
4872389	Detachable mouthpipe assembly A detachable mouthpipe assembly for releasably attaching a mouthpipe having a reduced end portion to a musical instrument having a receiving aperture for receiving the reduced end portion. The detachable mouthpipe assembly includes a substantially U-shape...	10/10/1989
4718318	Flow path selector valve for use in wind instruments made of metal This invention relates to a flow path selector valve for use in wind instruments made of metal, such as a trumpet or a French horn. The valve comprises at least one pair of valve members, which consist each of a solid of revolution and are rotatably mount...	01/12/1988

PatentStorm