US3085167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High efficiency sonic generator
Assignee: Ambac International Corp
•
Filing: 1959-02-05
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Granted: 1963-04-09
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Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Kritz Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:29
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0603; G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A SONIC TRANSDUCER FOR PRODUCING SONIC VIBRATIONS IN AIR, A FLEXURE MODE CIRCULAR PIEZOELECTRIC PLATE HAVING ITS EDGES FREE TO VIBRATE AND SAID PLATE HAVING A NODAL CIRCLE, A SUPPORT FOR SAID PLATE, SAID PLATE BEING SUSPENDED FROM SAID SUPPORT BY SUPPORTING MEMBERS ATTACHED TO SAID PLATE AT THE NODAL CIRCLE AND HAVING A RESONANT FREQUENCY SUBSTANTIALLY THE SAME AS THE RESONANT FREQUENCY OF SAID PLATE, THE RATIO OF DIAMETER OF THE PLATE TO THE WAVELENGTH OF THE RESONANT FREQUENCY OF THE PLATE IN AIR BEING GREATER THAN .3 BUT LESS THAN 3.
Claim 2
Dependent Claim
94 words
IN A SONIC TRANSDUCER FOR PRODUCING SONIC VIBRATIONS IN AIR, A FLEXURE MODE CIRCULAR PIEZOELECTRIC PLATE HAVING ITS EDGES FREE TO VIBRATE AND SAID PLATE HAVING A NODAL CIRCLE, A SUPPORT FOR SAID PLATE, SAID PLATE BEING SUSPENDED FROM SAID SUPPORT BY SUPPORTING MEMBERS ATTACHED TO SAID PLATE AT THE NODAL CIRCLE AND HAVING A RESONANT FREQUENCY SUBSTANTIALLY THE SAME AS THE RESONANT FREQUENCY OF SAID PLATE, THE RATIO OF DIAMETER OF THE PLATE TO THE WAVELENGTH OF THE RESONANT FREQUENCY OF THE PLATE IN AIR BEING GREATER THAN .3 BUT LESS THAN 3.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |