US2546071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus to produce fresh water from ocean water
Assignee: Individual
•
Filing: 1948-10-01
•
Granted: 1951-03-20
•
Expires: 1968-10-01
Abstract
No abstract record available.
Inventors
- 👤 William A E Hult
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:22
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/5236; C02F1/34; C02F2103/00; C02F2103/08; C02F2301/00; C02F2301/02; C02F2301/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN AN APPARATUS FOR THE PRODUCTION OF FRESH WATER FROM SEA WATER INCLUDING A DISPENSER FOR A NITRATE ADAPTED TO CHEMICALLY INTERCHANGE ITS METAL WITH THE SODIUM OF THE SEA WATER, A MECHANICAL MIXING TANK, A VALVED PIPE INTERCONNECTING THE DISPENSER AND THE MIXING TANK, AND A SETTLING TANK, OF A RIFLE BARREL SLUICE EXTENDING DOWNWARDLY AND AT AN ANGLE FROM THE MIXING TANK TO THE SETTLING TANK, SAID SLUICE HAVING FORMED ON ITS INNER WALLS A CONTINUOUS SPIRAL RIDGE AND A PLURALITY OF LONGITUDINALLY EXTENDING CORRUGATIONS BETWEEN EACH OF THE SUCCESSIVE CONVOLUTIONS OF THE RIDGE.
Claim 2
Dependent Claim
96 words
IN AN APPARATUS FOR THE PRODUCTION OF FRESH WATER FROM SEA WATER INCLUDING A DISPENSER FOR A NITRATE ADAPTED TO CHEMICALLY INTERCHANGE ITS METAL WITH THE SODIUM OF THE SEA WATER, A MECHANICAL MIXING TANK, A VALVED PIPE INTERCONNECTING THE DISPENSER AND THE MIXING TANK, AND A SETTLING TANK, OF A RIFLE BARREL SLUICE EXTENDING DOWNWARDLY AND AT AN ANGLE FROM THE MIXING TANK TO THE SETTLING TANK, SAID SLUICE HAVING FORMED ON ITS INNER WALLS A CONTINUOUS SPIRAL RIDGE AND A PLURALITY OF LONGITUDINALLY EXTENDING CORRUGATIONS BETWEEN EACH OF THE SUCCESSIVE CONVOLUTIONS OF THE RIDGE.
References Cited (Backward Citations)
US2190596A
Cited
US807807A
Cited
US1265898A
Cited
US1915240A
Cited
US2252045A
Cited
US2322689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |