US2434966A
Expired / Lapsed
US
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Dehydration of liquids
Assignee: STC PLC
•
Filing: 1944-03-04
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Granted: 1948-01-27
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Expires: 1964-03-04
Abstract
No abstract record available.
Inventors
- 👤 Vernon W Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:32
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; H05B6/782; A; A23; A23B; A23B2/00; A23B2/90; A23B2/97; F; F26; F26B; F26B17/00; F26B17/28; F26B17/284; F26B5/00; F26B5/04; F26B5/048; Y; Y10; Y10S; Y10S159/00; Y10S159/14; Y10S159/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US631568A
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US758065A
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US1135210A
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US2319174A
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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) | 1951-01-26 | 1951-07-28 | 1952-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-26 | 1955-07-28 | 1956-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-26 | 1959-07-28 | 1960-01-27 | $7700.00 | Window Closed / Lapsed |