Patent US2357149A successfully refreshed from Google Patents.
US2803591A
Expired / Lapsed
US
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Apparatus for purification of undrinkable water
Assignee: Individual
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Filing: 1954-04-27
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Granted: 1957-08-20
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Expires: 1974-04-27
Abstract
No abstract record available.
Inventors
- 👤 Coanda Henri
- 👤 Coanda Marguerite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:53
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/04; C01D3/06; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/047; C02F1/10; C02F1/14; C02F2103/00; C02F2103/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y02A20/138; Y02A20/141; Y02A20/142; Y02A20/20; Y02A20/208; Y02A20/212; Y10; Y10S; Y10S159/00; Y10S159/902; Y10S159/903; Y10S203/00; Y10S203/01; Y10S203/18; Y10S62/00; Y10S62/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
APPARATUS FOR THE PURIFICATION OF NON-POTABLE WATER COMPRISING, IN COMBINATION, AN INSTALLATION FOR HEATING A ONE TUBULAR ELEMENT THROUGH WHICH SAID AIR CIRCULATES AND AT LEAST ONE TROUGH-LIKE MIRROR OF PARABOLIC SECTION HAVING THE FOCAL AXIS THEREOF HORIZONTALLY DISPOSED, WITH SAID TUBLUAR ELEMENT DISPOSED ALONG SAID FOCAL AXIS OF SAID MIRROR, SAID MIRROR WITH ITS ASSOCIATED TUBULAR ELEMENT BEING MOUNTED FOR ROCKING MOVEMENT ABOUT A HORIZONTAL AXIS DISPOSED IN THE PLANE OF SYMMETRY OF SAID MIRROR, AND ALSO BEING MOUNTED TO ROTATE ABOUT A VERTICAL AXIS, A FRAME MOUNTED FOR MOVEMENT WITH SAID TROUGH-LIKE MIRROR, AN
Claim 2
Dependent Claim
96 words
APPARATUS FOR THE PURIFICATION OF NON-POTABLE WATER COMPRISING, IN COMBINATION, AN INSTALLATION FOR HEATING A ONE TUBULAR ELEMENT THROUGH WHICH SAID AIR CIRCULATES AND AT LEAST ONE TROUGH-LIKE MIRROR OF PARABOLIC SECTION HAVING THE FOCAL AXIS THEREOF HORIZONTALLY DISPOSED, WITH SAID TUBLUAR ELEMENT DISPOSED ALONG SAID FOCAL AXIS OF SAID MIRROR, SAID MIRROR WITH ITS ASSOCIATED TUBULAR ELEMENT BEING MOUNTED FOR ROCKING MOVEMENT ABOUT A HORIZONTAL AXIS DISPOSED IN THE PLANE OF SYMMETRY OF SAID MIRROR, AND ALSO BEING MOUNTED TO ROTATE ABOUT A VERTICAL AXIS, A FRAME MOUNTED FOR MOVEMENT WITH SAID TROUGH-LIKE MIRROR, AN
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |