US3588796A
Expired / Lapsed
US
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Method and apparatus for positioning a maneuverable naval structure over a fixed position
Assignee: Texaco Inc
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Filing: 1969-04-16
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Granted: 1971-06-28
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Expires: 1989-04-16
Abstract
Abstract A METHOD AND APPARATUS FOR CONTROLLING THE POSITION OF A MANEUVERABLE NAVAL STRUCTURE WHICH IS FLOATING UPON OR IMMERSED IN THE SEA SO THAT IT IS OVER A FIXED POSITION BY THE COMBINATION OF AN ULTRASONIC BEAM DIRECTED TO A RECEIVING APPARATUS WHICH GENERATES AN ELECTRICAL SIGNAL INDICATIVE OF BOTH THE DISTANCE AND THE DIRECTION WHICH THE BEAM RECEIVING MEANS IS OFF THE CENTER OF THE RECEIVED BEAM, WITH PROPULSIVE MEANS SUPPORTED BY SAID STRUCTURE RESPONSIVE TO SAID SIGNAL TO ALIGN THE BEAM RECEIVING MEANS WITH THE RECEIVED BEAM.
Inventors
- 👤 Fontaine C Armistead
- 👤 Peter L Paull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:05
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/0206; G05D1/0208; E; E21; E21B; E21B41/00; E21B41/0007; G01; G01S; G01S3/00; G01S3/80; G01S3/802; G01S3/803; G01S3/8034; G01S3/8036
Claims Analysis
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |