US3222634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater locating device
Assignee: Shell USA Inc
•
Filing: 1962-07-27
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Granted: 1965-12-07
•
Expires: 1982-07-27
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:41
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/80; G01S3/802; G01S3/808; G01S15/00; G01S15/02; G01S15/06; G01S15/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A METHOD FOR LOCATING AN UNDERWATER OBJECT, SAID METHOD COMPRISING: GENERATING A SERIES OF ACOUSTICAL IMPULSES AT A POINT AND TRANSMITTING SAID IMPULSES TO BE REFLECTED BY SAID OBJECT; RECEIVING SAID REFLECTED IMPULSES AT A PAIR OF STATIONS LOCATED ON DIAMETRICALLY OPPOSITE SIDES OF AND EQUAL DISTANCE FROM SAID POINT; MEASURING THE TIME REQUIRED FOR SAID IMPULSES TO TRAVEL FROM SAID POINT OF GENERATION TO SAID OBJECT TO THE REFLECTED BACK TO EACH OF SAID STATIONS; MOVING SAID POINT OF GENERATION AND SAID STATIONS IN UNISON UNTIL THE MEASURED TRAVEL TIMES ARE SUBSTANTIALLY EQUALLY FOR ALL ORIENTATIONS OF SAID POINT AND SAID STATIONS; AND THEN LOWERING THE POINT AT WHICH SAID IMPULSES ARE GENERATED UNTIL IT IS IN CONTACT WITH THE OBJECT.
Claim 2
Independent Claim
122 words
A METHOD FOR LOCATING AN UNDERWATER OBJECT, SAID METHOD COMPRISING: GENERATING A SERIES OF ACOUSTICAL IMPULSES AT A POINT AND TRANSMITTING SAID IMPULSES TO BE REFLECTED BY SAID OBJECT; RECEIVING SAID REFLECTED IMPULSES AT A PAIR OF STATIONS LOCATED ON DIAMETRICALLY OPPOSITE SIDES OF AND EQUAL DISTANCE FROM SAID POINT; MEASURING THE TIME REQUIRED FOR SAID IMPULSES TO TRAVEL FROM SAID POINT OF GENERATION TO SAID OBJECT TO THE REFLECTED BACK TO EACH OF SAID STATIONS; MOVING SAID POINT OF GENERATION AND SAID STATIONS IN UNISON UNTIL THE MEASURED TRAVEL TIMES ARE SUBSTANTIALLY EQUALLY FOR ALL ORIENTATIONS OF SAID POINT AND SAID STATIONS; AND THEN LOWERING THE POINT AT WHICH SAID IMPULSES ARE GENERATED UNTIL IT IS IN CONTACT WITH THE OBJECT.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |