US3501382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillation-condenser with vertically disaligned tubes
Assignee: Saline Water Conversion Corp USA
•
Filing: 1967-02-21
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Granted: 1970-03-17
•
Expires: 1987-02-21
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Roe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:43
CPC Classifications
F; F28; F28B; F28B1/00; F28B1/02; B; B01; B01D; B01D5/00; B01D5/0003; B01D5/0012; B01D5/0033; B01D5/0036; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1658143A
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US1698386A
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GB384741A
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US1855231A
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US2662850A
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US2782150A
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US3192131A
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US3326280A
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US3214350A
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US3275529A
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US3330739A
Cited
US3351119A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |