US2532924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar evaporation of brines
Assignee: SALITRERA DE TARAPACA Cia
•
Filing: 1948-02-02
•
Granted: 1950-12-05
•
Expires: 1968-02-02
Abstract
No abstract record available.
Inventors
- 👤 Sherman D Lesesne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:08
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/14; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212; Y10; Y10S; Y10S159/00; Y10S159/902; Y10S159/903; Y10S203/00; Y10S203/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1304931A
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US1317954A
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US681407A
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US1328614A
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US1593038A
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US1506946A
Cited
US1724558A
Cited
US1689526A
Cited
US1886868A
Cited
US1903510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |