Patent US2471035A successfully refreshed from Google Patents.
US2471035A
Expired / Lapsed
US
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Apparatus for the desiccation of organic substances
Assignee: Individual
•
Filing: 1943-10-02
•
Granted: 1949-05-24
•
Expires: 1963-10-02
Abstract
No abstract record available.
Inventors
- 👤 Frank E Hurd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/06; F26B5/065; A; A23; A23B; A23B2/00; A23B2/90; A23B2/92; Y; Y10; Y10S; Y10S159/00; Y10S159/05; Y10S159/23
Claims Analysis
Total Claims: 0
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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) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |