US3079761A
Expired / Lapsed
US
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Method and apparatus for dehydration
Assignee: Union Carbide Corp
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Filing: 1959-04-27
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Granted: 1963-03-05
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Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:39
CPC Classifications
B; B01; B01D; B01D9/00; B01D9/02; B01D9/04; A; A23; A23C; A23C1/00; A23C1/06; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/12; C; C12; C12H; C12H6/00; C12H6/04; F; F25; F25C; F25C1/00; Y; Y10; Y10S; Y10S159/00; Y10S159/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |