US3522149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillation apparatus to recover potable water from non-potable water
Assignee: Individual
•
Filing: 1968-05-27
•
Granted: 1970-07-28
•
Expires: 1988-05-27
Abstract
No abstract record available.
Inventors
- 👤 John Arvan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:29
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/0082; B01D1/0011; B01D1/0017; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/16; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US845286A
Cited
US851045A
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US1369438A
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US1762898A
Cited
US2475482A
Cited
US3204861A
Cited
US3408262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |