US4248129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hi Hat cymbal
Assignee: Avedis Zildjian Co
•
Filing: 1979-01-31
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Granted: 1981-02-03
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Expires: 1999-01-31
Abstract
Abstract On a Hi Hat cymbal stand the upper cymbal is one of conventional design and the lower cymbal is a cupless cymbal with four small air release holes through its central portion, each hole being about 1/2 inch in diameter.
Inventors
- 👤 Robert Zildjian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:20
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/01; G10D13/06; G10D13/063; G10D13/065
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
178 words
For use with a Hi Hat cymbal arrangement including means for loosely supporting a lower cymbal so as to permit rocking movement including a flat collar means mounted on a support rod, and means for loosely supporting an lower cymbal above said upper cymbal, responsive to a control means so that said upper cymbal may be brought down to meet said lower cymbal by operation of said control means, and an upper cymbal having a central cup portion: a substantially lens-shaped lower cymbal having a central opening substantially larger than said support rod to permit said rocking movement and, a substantially flat central portion for resting firmly on said flat collar means when struck by said upper cymbal during operation of said cymbal arrangement, said lower cymbal defining a plurality of circumferential spaced substantially small holes through said cymbal for the release of air trapped between said cymbals during operation of said cymbal arrangement, said holes being located equal distances from the center of said lower cymbal, less than one-half the radius of said cymbal from said center.
Claim 2
Dependent Claim
178 words
For use with a Hi Hat cymbal arrangement including means for loosely supporting a lower cymbal so as to permit rocking movement including a flat collar means mounted on a support rod, and means for loosely supporting an lower cymbal above said upper cymbal, responsive to a control means so that said upper cymbal may be brought down to meet said lower cymbal by operation of said control means, and an upper cymbal having a central cup portion: a substantially lens-shaped lower cymbal having a central opening substantially larger than said support rod to permit said rocking movement and, a substantially flat central portion for resting firmly on said flat collar means when struck by said upper cymbal during operation of said cymbal arrangement, said lower cymbal defining a plurality of circumferential spaced substantially small holes through said cymbal for the release of air trapped between said cymbals during operation of said cymbal arrangement, said holes being located equal distances from the center of said lower cymbal, less than one-half the radius of said cymbal from said center.
Claim 3
Dependent Claim
18 words
The combination as claimed in claim 1 in which said holes are 1/2 inch or less in diameter.
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) | 1984-02-03 | 1984-08-04 | 1985-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-03 | 1988-08-04 | 1989-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-03 | 1992-08-04 | 1993-02-03 | $7700.00 | Window Closed / Lapsed |