US1829477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for drying liquids
Assignee: Individual
•
Filing: 1925-12-30
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Granted: 1931-10-27
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Expires: 1945-12-30
Abstract
No abstract record available.
Inventors
- 👤 Douthitt Frank Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:06
CPC Classifications
A; A23; A23B; A23B5/00; A23B5/02; A23B5/022; A23B2/00; A23B2/90; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/10; B; B01; B01D; B01D1/00; B01D1/16; B01D1/18; F; F26; F26B; F26B3/00; F26B3/02; F26B3/10; F26B3/12; Y; Y10; Y10S; Y10S159/00; Y10S159/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-10-26 | 1935-04-27 | 1935-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-10-26 | 1939-04-27 | 1939-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-10-26 | 1943-04-27 | 1943-10-27 | $7700.00 | Window Closed / Lapsed |