Patent US3114848A successfully refreshed from Google Patents.
US3114848A
Expired / Lapsed
US
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High efficiency sonic generator
Assignee: Ambac International Corp
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Filing: 1960-03-09
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Granted: 1963-12-17
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Expires: 1980-03-09
Abstract
No abstract record available.
Inventors
- 👤 Kritz Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:12
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
33 words
IN A SONIC TRANSDUCER, A FREE-EDGE FLEXURE MODE THIN CIRCULAR PLATE, MEANS FOR DRIVING SAID PLATE IN VIBRATION IN THE FIRST SYMMETRICAL MODE, AND MEANS FOR SUPPORTING SAID PLATE AT ITS NODAL CIRCLE.
Claim 2
Dependent Claim
33 words
IN A SONIC TRANSDUCER, A FREE-EDGE FLEXURE MODE THIN CIRCULAR PLATE, MEANS FOR DRIVING SAID PLATE IN VIBRATION IN THE FIRST SYMMETRICAL MODE, AND MEANS FOR SUPPORTING SAID PLATE AT ITS NODAL CIRCLE.
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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |