US3193045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fathomer
Assignee: ExxonMobil Upstream Research Co
•
Filing: 1959-09-08
•
Granted: 1965-07-06
•
Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Franklyn K Levin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:38
CPC Classifications
G; G01; G01S; G01S15/00; G01S7/00; G01S7/52; G01S7/523; G01S7/526
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
A METHOD OF SURVEYING AN AREA HAVING A BODY OF WATER OVERLYING A BED CONTAINING GAS BUBBLES HAVING NATURAL FREQUENCY OF F WHICH COMPRISES: TRANSMITTING ENERGY WHOSE PREDOMINATE FREQUENCIES ARE LESS THAN F DOWNWARDLY; DETECTING REFLECTED ENERGY FROM SAID TRANSMITTED ENERGY WHICH INCLUDES RINGING MODES FORMED BY ENERGY BOUNCING BACK AND FORTH BETWEEN THE SURFACE AND THE BOTTOM OF THE BODY OF WATER; FILTERING OUT SAID RINGING MODES TO OBTAIN A FILTERED SIGNAL; AND RECORDING THE FILTERING SIGNAL.
References Cited (Backward Citations)
US2355826A
Cited
US2622691A
Cited
US2916724A
Cited
US2794965A
Cited
US2954090A
Cited
US2956261A
Cited
US2940073A
Cited
US2960176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |