Patent US3171376A successfully refreshed from Google Patents.
US3171376A
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Diving machine with gas ballast tank
Assignee: CIVILE D'ETUDES ET DE RECHERCHES SOUS MARINES AQUARIUS Ste
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Filing: 1962-11-27
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Granted: 1965-03-02
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Sellner Heinz Ludwig Michael
- 👤 Tailliez Philippe Marie Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:50
CPC Classifications
B; B63; B63G; B63G8/00; B63G8/14; B63G8/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A DIVING MACHINE FOR PENETRATING TO A GIVEN DEPTH IN WATER HAVING A NATURAL TEMPERATURE, COMPRISING IN COMBINATION: (A) AS LIFT DEVICE, AT LEAST ONE CHAMBER CONTAINING A GAS IN VARIABLE VOLUME, SAID CHAMBER BEING ADAPTED TO MAINTAIN THE GAS IN PRESSURE EQUILIBRIUM WITH THE WATER; (B) STORAGE MEANS CONTAINING A SUBSTANTIAL QUANTITY OF GAS UNDER REDUCED VOLUME AND IN A PHYSICAL STATE SUCH THAT IT HAS A NATURAL TENDENCY TO INCREASE ITS VOLUME WHEN THE GAS UNDER REDUCED VOLUME IS SUBJECTED TO THE NATURAL TEMPERATURE OF THE WATER AND TO A PRESSURE WHICH MAY REACH THE PRESSURE OF THE WATER AT THE GIVEN DEPTH; (C) A DEVICE FOR CONTROLLING THE SUBMERSION BY CONTROLLING THE VOLUME OF GAS IN THE CHAMBER, COMPRISING MEANS FOR DRAWING GAS FROM THE CHAMBER, REDUCING ITS VOLUME AND DELIVERING IT TO THE STORAGE MEANS AND MEANS FOR WITHDRAWING GAS UNDER REDUCED VOLUME FROM THE STORAGE MEANS, INCREASING ITS VOLUME AND DELIVERING IT TO THE CHAMBER, AND (D) A SAFETY DEVICE FOR PLACING THE STORAGE MEANS IN COMMUNICATION WITH THE CHAMBER AT LEAST WHEN SAID SUBMERSION CONTROL DEVICE IS DAMAGED.
Claim 2
Dependent Claim
184 words
A DIVING MACHINE FOR PENETRATING TO A GIVEN DEPTH IN WATER HAVING A NATURAL TEMPERATURE, COMPRISING IN COMBINATION: (A) AS LIFT DEVICE, AT LEAST ONE CHAMBER CONTAINING A GAS IN VARIABLE VOLUME, SAID CHAMBER BEING ADAPTED TO MAINTAIN THE GAS IN PRESSURE EQUILIBRIUM WITH THE WATER; (B) STORAGE MEANS CONTAINING A SUBSTANTIAL QUANTITY OF GAS UNDER REDUCED VOLUME AND IN A PHYSICAL STATE SUCH THAT IT HAS A NATURAL TENDENCY TO INCREASE ITS VOLUME WHEN THE GAS UNDER REDUCED VOLUME IS SUBJECTED TO THE NATURAL TEMPERATURE OF THE WATER AND TO A PRESSURE WHICH MAY REACH THE PRESSURE OF THE WATER AT THE GIVEN DEPTH; (C) A DEVICE FOR CONTROLLING THE SUBMERSION BY CONTROLLING THE VOLUME OF GAS IN THE CHAMBER, COMPRISING MEANS FOR DRAWING GAS FROM THE CHAMBER, REDUCING ITS VOLUME AND DELIVERING IT TO THE STORAGE MEANS AND MEANS FOR WITHDRAWING GAS UNDER REDUCED VOLUME FROM THE STORAGE MEANS, INCREASING ITS VOLUME AND DELIVERING IT TO THE CHAMBER, AND (D) A SAFETY DEVICE FOR PLACING THE STORAGE MEANS IN COMMUNICATION WITH THE CHAMBER AT LEAST WHEN SAID SUBMERSION CONTROL DEVICE IS DAMAGED.
References Cited (Backward Citations)
DE192957C
Cited
DE21132C
Cited
US872888A
Cited
US2887977A
Cited
FR1261635A
Cited
US3085533A
Cited
US3084654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |