US3255431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrophone
Assignee: Gulton Industries Inc
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Filing: 1960-10-06
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Granted: 1966-06-07
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Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 Glenn N Howatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:08
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/18; G01V1/186; Y; Y10; Y10S; Y10S116/00; Y10S116/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A HYDROPHONE FOR DETECTING SONIC WAVES IN A MEDIUM COMPRISING, A HOUSING ADAPTED TO BE SUSPENDED IN THE MEDIUM, A RESILIENT DIAPHRAGM ASSEMBLY INCLUDING A RESILIENT DIAPHRAGM MARGINALLY SECURED IN SAID HOUSING, AND A THIN PIEZOELECTRIC CERAMIC ELEMENT EXTENDING IN A PLANE PARALLEL TO SAID DIAPHRAGM AND PROVIDED WITH ELECTRODES AND SECURED TO SAID DIAPHRAGM TO BE FLEXED AS SAID DIAPHRAGM IS FLEXED FOR PRODUCING AN ELECTRICAL SIGNAL AT SAID ELECTRODES IN ACCORDANCE WITH THE FLEXURE OF SAID ELEMENT, A FLEXIBLE DAMPING PAD IN THE FORM OF A DISC-LIKE ELEMENT EXTENDING IN A PLANE PARALLEL TO SAID DIAPHRAGM AND CERAMIC ELEMENT AND MOVEABLE AS A UNIT THEREWITH, AND, TOGETHER WITH SAID DIAPHRAGM AND CERAMIC ELEMENT, SUBJECT TO SAID SONIC WAVES IN SAID MEDIUM, SAID SONIC WAVES FLEXING SAID DIAPHRAGM, CERAMIC DISC AND FLEXIBLE DAMPING PAD AS A UNIT IN RESPONSE TO SAID SONIC WAVES IN ACCORDANCE WITH THE RESILIENCY OF SAID DIAPHRAGM AND THE DAMPING EFFECT OF SAID FLEXIBLE DAMPING PAD, AND ELECTRICAL CONNECTIONS TO SAID ELECTRODES FOR TRANSMITTING THE ELECTRICAL SIGNALS PRODUCED THEREAT.
Claim 2
Dependent Claim
174 words
A HYDROPHONE FOR DETECTING SONIC WAVES IN A MEDIUM COMPRISING, A HOUSING ADAPTED TO BE SUSPENDED IN THE MEDIUM, A RESILIENT DIAPHRAGM ASSEMBLY INCLUDING A RESILIENT DIAPHRAGM MARGINALLY SECURED IN SAID HOUSING, AND A THIN PIEZOELECTRIC CERAMIC ELEMENT EXTENDING IN A PLANE PARALLEL TO SAID DIAPHRAGM AND PROVIDED WITH ELECTRODES AND SECURED TO SAID DIAPHRAGM TO BE FLEXED AS SAID DIAPHRAGM IS FLEXED FOR PRODUCING AN ELECTRICAL SIGNAL AT SAID ELECTRODES IN ACCORDANCE WITH THE FLEXURE OF SAID ELEMENT, A FLEXIBLE DAMPING PAD IN THE FORM OF A DISC-LIKE ELEMENT EXTENDING IN A PLANE PARALLEL TO SAID DIAPHRAGM AND CERAMIC ELEMENT AND MOVEABLE AS A UNIT THEREWITH, AND, TOGETHER WITH SAID DIAPHRAGM AND CERAMIC ELEMENT, SUBJECT TO SAID SONIC WAVES IN SAID MEDIUM, SAID SONIC WAVES FLEXING SAID DIAPHRAGM, CERAMIC DISC AND FLEXIBLE DAMPING PAD AS A UNIT IN RESPONSE TO SAID SONIC WAVES IN ACCORDANCE WITH THE RESILIENCY OF SAID DIAPHRAGM AND THE DAMPING EFFECT OF SAID FLEXIBLE DAMPING PAD, AND ELECTRICAL CONNECTIONS TO SAID ELECTRODES FOR TRANSMITTING THE ELECTRICAL SIGNALS PRODUCED THEREAT.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |