US3372370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroacoustic transducer
Assignee: AQUASONICS ENGINEERING Co
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Filing: 1965-09-22
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Granted: 1968-03-05
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Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Reginald J Cyr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:40
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0655
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN AN ELECTROACOUSTIC TRANSDUCER ADAPTED FOR UNDERWATER APPLICATIONS, THE COMBINATION OF: A PIEZOELECTRIC TRANSDUCING ELEMENT; MEANS INCLUDING A PRESSURE-ACCOMMODATING MASS OF ACOUSTIC ENERGY ABSORBING MATERIAL DISPOSED IN OPERATIVE RELATIONSHIP WITH SAID TRANSDUCING ELEMENT FOR SUPPORTING SAID ELEMENT AGAINST DESTRUCTIVE DEFORMATION FROM THE PRESSURE OF SURROUNDING WATER WHILE PERMITTING THE VIBRATORY FUNCTIONING OF SAID ELEMENT, SAID MASS CONSISTING OF A PLURALITY OF INORGANIC MICROBALLOONS SUPPORTED IN CLOSELY JUXTAPOSED OPPERATIVE RELATIONSHIP WITH EACH OTHER BY A SUSPENSORY BODY WITH THE ASSEMBLY THEREOF DISPOSED IN OPERATIVE SUPPORTING RELATIONSHIP WITH SAID PIEZELECTRIC TRANSDUCING ELEMENT; AND A HOUSING ENCOMPASSING SAID TRANSDUCING ELEMENT AND SAID PRESSURE-ACCOMMODATING MASS.
Claim 2
Dependent Claim
101 words
IN AN ELECTROACOUSTIC TRANSDUCER ADAPTED FOR UNDERWATER APPLICATIONS, THE COMBINATION OF: A PIEZOELECTRIC TRANSDUCING ELEMENT; MEANS INCLUDING A PRESSURE-ACCOMMODATING MASS OF ACOUSTIC ENERGY ABSORBING MATERIAL DISPOSED IN OPERATIVE RELATIONSHIP WITH SAID TRANSDUCING ELEMENT FOR SUPPORTING SAID ELEMENT AGAINST DESTRUCTIVE DEFORMATION FROM THE PRESSURE OF SURROUNDING WATER WHILE PERMITTING THE VIBRATORY FUNCTIONING OF SAID ELEMENT, SAID MASS CONSISTING OF A PLURALITY OF INORGANIC MICROBALLOONS SUPPORTED IN CLOSELY JUXTAPOSED OPPERATIVE RELATIONSHIP WITH EACH OTHER BY A SUSPENSORY BODY WITH THE ASSEMBLY THEREOF DISPOSED IN OPERATIVE SUPPORTING RELATIONSHIP WITH SAID PIEZELECTRIC TRANSDUCING ELEMENT; AND A HOUSING ENCOMPASSING SAID TRANSDUCING ELEMENT AND SAID PRESSURE-ACCOMMODATING MASS.
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |