US3483091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum distillation-vapor filtered water recovery apparatus
Assignee: United States Department of the Air Force
•
Filing: 1968-01-03
•
Granted: 1969-12-09
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Expires: 1988-01-03
Abstract
No abstract record available.
Inventors
- 👤 Courtney A Metzger
- 👤 Albert B Hearld
- 👤 Bobby G Mcmullen
- 👤 Bobby J Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:47
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/18; Y; Y02; Y02W; Y02W10/00; Y02W10/30; Y02W10/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US845285A
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US799003A
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US2445350A
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US3276848A
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US3303105A
Cited
US3405058A
Cited
US3340186A
Cited
US3373088A
Cited
US3359182A
Cited
US3415038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |