US2761292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for obtaining fresh drinkable water
Assignee: Individual
•
Filing: 1953-04-16
•
Granted: 1956-09-04
•
Expires: 1973-04-16
Abstract
No abstract record available.
Inventors
- 👤 Coanda Henri
- 👤 Marguerite H Coanda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:27
CPC Classifications
E; E03; E03B; E03B3/00; E03B3/28; Y; Y02; Y02A; Y02A20/00; Y10; Y10S; Y10S159/00; Y10S159/902; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2307292A
Cited
US661944A
Cited
US1653604A
Cited
US2181953A
Cited
GB638947A
Cited
US2513373A
Cited
US2652699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |