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US4111094A Expired / Lapsed US ⏱️ 0.0 years remaining

Rhythm instrument

Assignee: Individual
•
Filing: 1977-04-29
•
Granted: 1978-09-05
•
Expires: 1997-04-29
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Abstract

Abstract A musical instrument of the percussion type which includes a body member having walls converging from a relatively large open end so that the internal volume of the body member diminishes from one end of the instrument to the other. The instrument is played by striking its top surface with the hands or sticks and sound is amplified and emitted from the open end.

Inventors

  • 👤 Philip R. Broser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:55
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/01; G10D13/08

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 71 words
A rhythm instrument comprising; a body member comprising an elongated structure having walls converging from one end to the other of said body member, said body member forming a large end portion and a small end portion, said large end portion being open to the interior of said body member, a flat playing surface formed at the top of said body member and adapted to be struck to produce a sound.
Claim 2
Dependent Claim 71 words
A rhythm instrument comprising; a body member comprising an elongated structure having walls converging from one end to the other of said body member, said body member forming a large end portion and a small end portion, said large end portion being open to the interior of said body member, a flat playing surface formed at the top of said body member and adapted to be struck to produce a sound.
Claim 3
Dependent Claim 20 words
The combination of claim 1 in which said flat top surface portion is made of a material capable of vibrating.
Claim 4
Dependent Claim 18 words
The combination of claim 1 in which said flat top head surface is made of a flexible membrane.
Claim 5
Dependent Claim 40 words
The combination of claim 1 in which said flat top surface includes a plurality of adjacent fingers, one end of each of said fingers being formed integrally with said body member and having the opposite end free to permit vibration.
Claim 6
Dependent Claim 23 words
The combination of claim 4 in which each of said fingers is progressively shorter from said large end toward said small end portion.
Claim 7
Dependent Claim 17 words
The combination of claim 1 in which said body member forms one half of a truncated cone.
Claim 8
Dependent Claim 18 words
The combination of claim 1 and further including a pair of microphones spaced longitudially of said body member.
Claim 9
Dependent Claim 14 words
The combination of claim 1 wherein said body member is suspended by flexible members.
Claim 10
Dependent Claim 24 words
The combination of claim 1 wherein the volume within said body member diminishes uniformly from said large end portion toward the small end portion.

References Cited (Backward Citations)

US1323132A Cited
US1787196A Cited
US716025A Cited
US2287138A Cited
US2577497A Cited
US2516725A Cited
US3705527A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-09-04 1982-03-06 1982-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-09-04 1986-03-06 1986-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-09-04 1990-03-06 1990-09-05 $7700.00 Window Closed / Lapsed

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