US2758388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying device
Assignee: Svenska Flaktfabriken AB
•
Filing: 1953-03-06
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Granted: 1956-08-14
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Expires: 1973-03-06
Abstract
No abstract record available.
Inventors
- 👤 Westerberg Elof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:55
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/02; F26B17/08; F26B21/00; F26B21/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |