Patent JPS5860726A successfully refreshed from Google Patents.
US3219970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater sound transducer with resonant gas bubble
Assignee: Individual
•
Filing: 1961-08-30
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Granted: 1965-11-23
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Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Claude C Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:27
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN UNDERWATER TRANSDUCER COMPRISING A RIGID WALLED HOUSING HAVING AN OPENING IN ONE WALL, A DIAPHRAGM WITH AN EXTERNAL RADIATING FACE LOCATED WITHIN SAID OPENING; A THIN LAYER OF RESILIENT MATERIAL CEMENTED TO SAID HOUSING AND AT LEAST A PORTION OF SAID RADIATING FACE, SAID MATERIAL ENTIRELY COVERING THE PORTION OF SAID OPENING BETWEEN SAID HOUSING AND DIAPHRAGM; MOTOR MEANS WITHIN SAID HOUSING COUPLED TO SAID DIAPHRAGM FOR MOVING SAID DIAPHRAGM NORMAL TO SAID RADIATING WALL; A SUBSTANTIALLY SPHERICAL BUBBLE OF GAS HAVING A PORTION OF ITS SURFACE IN CONTACT WITH THE ENTIRE PORTION OF RESILIENT MATERIAL WHICH IS CEMENTED TO SAID RADIATING FACE; AND A FLACCID RESILIENT MEMBRANE COVERING SUBSTANTIALLY ALL OF THE REMAINING SURFACE OF SAID GAS, SAID MEMBRANE BEING SEALED TO SAID HOUSING.
Claim 2
Dependent Claim
126 words
AN UNDERWATER TRANSDUCER COMPRISING A RIGID WALLED HOUSING HAVING AN OPENING IN ONE WALL, A DIAPHRAGM WITH AN EXTERNAL RADIATING FACE LOCATED WITHIN SAID OPENING; A THIN LAYER OF RESILIENT MATERIAL CEMENTED TO SAID HOUSING AND AT LEAST A PORTION OF SAID RADIATING FACE, SAID MATERIAL ENTIRELY COVERING THE PORTION OF SAID OPENING BETWEEN SAID HOUSING AND DIAPHRAGM; MOTOR MEANS WITHIN SAID HOUSING COUPLED TO SAID DIAPHRAGM FOR MOVING SAID DIAPHRAGM NORMAL TO SAID RADIATING WALL; A SUBSTANTIALLY SPHERICAL BUBBLE OF GAS HAVING A PORTION OF ITS SURFACE IN CONTACT WITH THE ENTIRE PORTION OF RESILIENT MATERIAL WHICH IS CEMENTED TO SAID RADIATING FACE; AND A FLACCID RESILIENT MEMBRANE COVERING SUBSTANTIALLY ALL OF THE REMAINING SURFACE OF SAID GAS, SAID MEMBRANE BEING SEALED TO SAID HOUSING.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |