Patent US3382841A successfully refreshed from Google Patents.
US3382841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexural disc transducer
Assignee: Hydroacoustics Inc
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Filing: 1964-09-14
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Granted: 1968-05-14
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 John V Bouyoucos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:52
CPC Classifications
G; G10; G10K; G10K13/00; Y; Y10; Y10S; Y10S181/00; Y10S181/40; Y10S181/402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A TRANSDUCER COMPRISING (A) A DISC RADIATING ELEMENT OF ELASTIC MATERIAL HAVING A PERIPHERAL MOUNTING PORTION AND A DISC-LIKE RADIATING PORTION, (B) SAID DISC RADIATING ELEMENT INCLUDING COAXIAL GROOVES ON OPPOSITE FACES THEREOF ENCIRCLING SAID RADIATING PORTION TO DEFINE A THIN CYLINDRICAL SHELL THEREBETWEEN CONNECTED, (C) SAID THIN CYLINDRICAL SHELL PROVIDING AT ONE END THEREOF A LATERAL COMPLIANT EDGE SUPPORT FOR SAID ONE EDGE OF SAID RADIATING PORTION, AND (D) MEANS COUPLED TO SAID RADIATING PORTION TO EXCITE SAID RADIATING PORTION INTO VIBRATION.
Claim 2
Dependent Claim
83 words
A TRANSDUCER COMPRISING (A) A DISC RADIATING ELEMENT OF ELASTIC MATERIAL HAVING A PERIPHERAL MOUNTING PORTION AND A DISC-LIKE RADIATING PORTION, (B) SAID DISC RADIATING ELEMENT INCLUDING COAXIAL GROOVES ON OPPOSITE FACES THEREOF ENCIRCLING SAID RADIATING PORTION TO DEFINE A THIN CYLINDRICAL SHELL THEREBETWEEN CONNECTED, (C) SAID THIN CYLINDRICAL SHELL PROVIDING AT ONE END THEREOF A LATERAL COMPLIANT EDGE SUPPORT FOR SAID ONE EDGE OF SAID RADIATING PORTION, AND (D) MEANS COUPLED TO SAID RADIATING PORTION TO EXCITE SAID RADIATING PORTION INTO VIBRATION.
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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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |