Patent US3290230A successfully refreshed from Google Patents.
US3290230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar still apparatus for extracting and collecting water from soil
Assignee: NEC Corp
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Filing: 1962-08-01
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Granted: 1966-12-06
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Kobayashi Gunji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:02
CPC Classifications
B; B01; B01D; B01D5/00; B01D5/0057; B01D5/006; B01D5/0066; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/14; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212; Y10; Y10S; Y10S203/00; Y10S203/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN APPARATUS FOR EXTRACTING AND COLLECTING WATER FROM SOIL, COMPRISING A FRAME, A TOP MEMBER PLACED AIRTIGHTLY ON THE FRAME, SAID TOP MEMBER BEING OF A MATERIAL WHICH IS IMPERVIOUS TO AIR AND AT LEAST A PART OF SAID TOP MEMBER BEING OF A MATERIAL PERVIOUS TO SOLAR RADIATION, SAID FRAME AND SAID TOP MEMBER JOINTLY CONSITUTING A RECEPTACLE HAVING AN OPEN ORIFICE SURROUNDED BY SAID FRAME, SAID FRAME INCLUDING MEANS FOR AIRTIGHTLY ENGAGING A SOIL SURFACE IN A POSITION IN WHICH SAID SURFACE CLOSES SAID ORIFICE, A COOLING MEANS SPACED FROM THE ORIFICE AND HAVING A SURFACE IN SAID RECEPTACLE FOR CONDENSING WATER VAPOR THEREON, COLLECTING MEANS WITHIN SAID RECEPTACLE FOR COLLECTING THE CONDENSED WATER VAPOR FROM SAID SURFACE, A WATER SUMP INSTALLED OUTSIDE SAID RECEPTACLE AND CONDUIT MEANS CONNECTING THE COLLECTING MEANS WITH SAID WATER SUMP.
Claim 2
Independent Claim
138 words
AN APPARATUS FOR EXTRACTING AND COLLECTING WATER FROM SOIL, COMPRISING A FRAME, A TOP MEMBER PLACED AIRTIGHTLY ON THE FRAME, SAID TOP MEMBER BEING OF A MATERIAL WHICH IS IMPERVIOUS TO AIR AND AT LEAST A PART OF SAID TOP MEMBER BEING OF A MATERIAL PERVIOUS TO SOLAR RADIATION, SAID FRAME AND SAID TOP MEMBER JOINTLY CONSITUTING A RECEPTACLE HAVING AN OPEN ORIFICE SURROUNDED BY SAID FRAME, SAID FRAME INCLUDING MEANS FOR AIRTIGHTLY ENGAGING A SOIL SURFACE IN A POSITION IN WHICH SAID SURFACE CLOSES SAID ORIFICE, A COOLING MEANS SPACED FROM THE ORIFICE AND HAVING A SURFACE IN SAID RECEPTACLE FOR CONDENSING WATER VAPOR THEREON, COLLECTING MEANS WITHIN SAID RECEPTACLE FOR COLLECTING THE CONDENSED WATER VAPOR FROM SAID SURFACE, A WATER SUMP INSTALLED OUTSIDE SAID RECEPTACLE AND CONDUIT MEANS CONNECTING THE COLLECTING MEANS WITH SAID WATER SUMP.
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |