US3455790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically charged spray-condenser for recovering water distillate
Assignee: Individual
•
Filing: 1967-07-20
•
Granted: 1969-07-15
•
Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Alvin M Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:34
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; B; B01; B01D; B01D3/00; B01D3/34; C02F1/14; C02F1/48; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212; Y10; Y10S; Y10S159/00; Y10S159/17; Y10S159/26; Y10S159/902; Y10S159/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA627702A
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US956097A
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US1232395A
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US2138689A
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US2486684A
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US2582281A
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US3072920A
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US3060297A
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US3290231A
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US3326779A
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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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |