Patent US1235870A successfully refreshed from Google Patents.
Patent US2272383A successfully refreshed from Google Patents.
US2272383A
Expired / Lapsed
US
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Drying apparatus
Assignee: NATHAN H POOR Co
•
Filing: 1939-06-15
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Granted: 1942-02-10
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Expires: 1959-06-15
Abstract
No abstract record available.
Inventors
- 👤 Nathan H Poor
- 👤 Sidney G Judge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:48
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/50; B; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; F26B15/00; F26B15/10; F26B15/12; F26B15/18; F26B21/55
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) | 1945-02-09 | 1945-08-11 | 1946-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-09 | 1949-08-11 | 1950-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-09 | 1953-08-11 | 1954-02-10 | $7700.00 | Window Closed / Lapsed |