US3261765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of converting sea water to fresh water employing agave plant juice
Assignee: Individual
•
Filing: 1963-10-23
•
Granted: 1966-07-19
•
Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Claude L Spray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:24
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/08; Y; Y10; Y10S; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733196A
Cited
US2042130A
Cited
GB538271A
Cited
US2979442A
Cited
US3075924A
Cited
US3119752A
Cited
US3135670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |