US3511756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash evaporation with series arranged with solar heating zone
Assignee: Lummus Technology LLC
•
Filing: 1967-03-13
•
Granted: 1970-05-12
•
Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Salvatore A Guerrieri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:02
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/14; C02F1/16; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3248307A
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US3257290A
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US3232846A
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US3305456A
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US3320137A
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US3261766A
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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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |