Patent US3547801A successfully refreshed from Google Patents.
US3547801A
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Water management system and an electrolytic cell therefor
Assignee: National Aeronautics and Space Administration
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Filing: 1968-08-08
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Granted: 1970-12-15
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Expires: 1988-08-08
Abstract
No abstract record available.
Inventors
- 👤 Charles F Albright
- 👤 Joseph B Gillerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:13
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/4606; C02F1/461; C02F1/46104; C02F1/46109; C02F2001/46133; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/4616; C02F2201/46165; C02F2201/4617; C02F2301/00; C02F2301/02; C02F2301/022; C02F2303/00; C02F2303/04
Claims Analysis
Total Claims: 0
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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) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |