Patent US3243765A successfully refreshed from Google Patents.
US3243765A
Expired / Lapsed
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Combination galvanic velocity cell and hydrophone
Assignee: Hazeltine Research Inc
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Filing: 1963-12-09
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Granted: 1966-03-29
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Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Suleski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:18
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR PROVIDING A FIRST ELECTRICAL SIGNAL REPRESENTATIVE OF THE VELOCITY OF SOUND IN A LIQUID AND A SECOND ELECTRICAL SIGNAL REPRESENTATIVE OF VIBRATIONS OCCURRING IN SAID LIQUID COMPRISING: A GALVANIC CELL COMPRISING FIRST AND SECOND ELECTRODES; A TRANSDUCER COMPRISING A QUANTITY OF TRANDSUCER MATERIAL COUPLED BETWEEN SAID SECOND ELECTRODE AND A THIRD ELECTRODE FOR PRODUCING AN ELECTRICAL SIGNAL IN RESPONSIVE TO MECHANICAL VIBRATIONS; THE APPARATUS BEING SO CONSTRUCTED AND ARRANGED THAT WHEN IMMERSED IN A LIQUID SAID FIRST SIGNAL IS MADE AVAILABLE BY COUPLING TO SAID FIRST AND SECOND ELECTRODES AND SAID SECOND SIGNAL IS MADE AVAILABLE BY COUPLING TO SAID SECOND AND THIRD ELECTRODES.
Claim 2
Dependent Claim
106 words
APPARATUS FOR PROVIDING A FIRST ELECTRICAL SIGNAL REPRESENTATIVE OF THE VELOCITY OF SOUND IN A LIQUID AND A SECOND ELECTRICAL SIGNAL REPRESENTATIVE OF VIBRATIONS OCCURRING IN SAID LIQUID COMPRISING: A GALVANIC CELL COMPRISING FIRST AND SECOND ELECTRODES; A TRANSDUCER COMPRISING A QUANTITY OF TRANDSUCER MATERIAL COUPLED BETWEEN SAID SECOND ELECTRODE AND A THIRD ELECTRODE FOR PRODUCING AN ELECTRICAL SIGNAL IN RESPONSIVE TO MECHANICAL VIBRATIONS; THE APPARATUS BEING SO CONSTRUCTED AND ARRANGED THAT WHEN IMMERSED IN A LIQUID SAID FIRST SIGNAL IS MADE AVAILABLE BY COUPLING TO SAID FIRST AND SECOND ELECTRODES AND SAID SECOND SIGNAL IS MADE AVAILABLE BY COUPLING TO SAID SECOND AND THIRD ELECTRODES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |