US2306019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying apparatus
Assignee: BF Sturtevant Co
•
Filing: 1939-10-21
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Granted: 1942-12-22
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Expires: 1959-10-21
Abstract
No abstract record available.
Inventors
- 👤 Milton E Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:23
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/50; D; D06; D06C; D06C3/00; D21; D21F; D21F5/00; F26B13/00; F26B13/10; F26B13/101; F26B21/20; F26B21/25; F26B21/55; D06C2700/00; D06C2700/04
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) | 1945-12-21 | 1946-06-22 | 1946-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-12-21 | 1950-06-22 | 1950-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-12-21 | 1954-06-22 | 1954-12-22 | $7700.00 | Window Closed / Lapsed |