Patent US3704340A successfully refreshed from Google Patents.
US3704340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rhythm traps
Assignee: Individual
•
Filing: 1972-03-27
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Granted: 1972-11-28
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Expires: 1992-03-27
Abstract
Abstract A rhythm device comprising two resiliently interconnected shafts capable of relative movement between two positions. Noise-making means such as cymbals are mounted on each shaft such that sound is produced at one of the two aforesaid positions.
Inventors
- 👤 Jack G Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:11
CPC Classifications
G; G10; G10D; G10D15/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
91 words
A musical instrument comprising a first shaft having at one end an interconnecteD second shaft longitudinally slidably engaged therewith for relative movement between a first and second position, at least one longitudinally extending slot provided in said first shaft, a first arm fixed to said first shaft, first noisemaking means fixed to said first arm, a second arm extending through said slot and fixed to said second shaft, second noisemaking means fixed to said second arm and said first and second noisemaking means oriented for mutual contact at said first position.
Claim 2
Dependent Claim
91 words
A musical instrument comprising a first shaft having at one end an interconnecteD second shaft longitudinally slidably engaged therewith for relative movement between a first and second position, at least one longitudinally extending slot provided in said first shaft, a first arm fixed to said first shaft, first noisemaking means fixed to said first arm, a second arm extending through said slot and fixed to said second shaft, second noisemaking means fixed to said second arm and said first and second noisemaking means oriented for mutual contact at said first position.
Claim 3
Dependent Claim
12 words
The musical instrument of claim 1, wherein said noisemaking means are cymbals.
Claim 4
Dependent Claim
18 words
The musical instrument of claim 1, including resilient means for biasing said shafts to a normal rest position.
Claim 5
Dependent Claim
19 words
The musical instrument of claim 3, wherein the normal rest position constitutes mutual contact of the two noisemaking means.
Claim 6
Dependent Claim
12 words
The musical instrument of claim 4 wherein said noisemaking means are cymbals.
Claim 7
Dependent Claim
13 words
The musical instrument of claim 3, wherein the biasing means is a spring.
Claim 8
Dependent Claim
12 words
The musical instrument of claim 6, wherein said noisemaking means are cymbals.
Claim 9
Dependent Claim
34 words
The musical instrument of claim 1, including an object engaging foot mounted on the free end of said second shaft for actuation of said shafts for relative movement between said first and second positions.
Claim 10
Dependent Claim
26 words
The musical instrument of claim 8 including resilient spring means for biasing said shafts to a normal rest position which is one of said two positions.
Claim 11
Dependent Claim
160 words
A musical instrument comprising a first shaft having at one end an interconnected second shaft longitudinally slidably engaged therein for relative movement between a first and second position, at least one longitudinally extended slot provided in said first shaft, a first arm fixed to said first shaft, a first cymbal fixed to the free end of said first arm, a second arm extending through said slot and fixed to said second shaft, a second cymbal fixed to the free end of said second arm, said second shaft having an object engaging foot mounted on the free end thereof for actuation of said shafts for relative movement between said two positions, a spring mounted between the inner end of said second shaft and a position in said first shaft removed from the inner end of said second shaft for biasing said shafts to a normal rest position, and said first and second cymbals oriented for mutual contact at said first position.
Claim 12
Dependent Claim
160 words
A musical instrument comprising a first shaft having at one end an interconnected second shaft longitudinally slidably engaged therein for relative movement between a first and second position, at least one longitudinally extended slot provided in said first shaft, a first arm fixed to said first shaft, a first cymbal fixed to the free end of said first arm, a second arm extending through said slot and fixed to said second shaft, a second cymbal fixed to the free end of said second arm, said second shaft having an object engaging foot mounted on the free end thereof for actuation of said shafts for relative movement between said two positions, a spring mounted between the inner end of said second shaft and a position in said first shaft removed from the inner end of said second shaft for biasing said shafts to a normal rest position, and said first and second cymbals oriented for mutual contact at said first position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |