Patent US3493468A successfully refreshed from Google Patents.
US3493468A
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US
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Apparatus for automatic starting and control of vapor compression distillation
Assignee: GIOVANNI MASCARINI SOC ING
•
Filing: 1967-03-10
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Granted: 1970-02-03
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Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 Federico Arcari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:25
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/28; B01D1/284; B01D1/2843; B01D1/2896; B01D3/00; B01D3/42; Y; Y10; Y10S; Y10S203/00; Y10S203/07; Y10S203/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3055810A
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US3235469A
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US3311543A
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US3269919A
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US3324009A
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US3312600A
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US3338798A
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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) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |