Patent US2108084A successfully refreshed from Google Patents.
US2108084A
Expired / Lapsed
US
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Drying apparatus
Assignee: US Hoffman Machinery Corp
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Filing: 1937-01-04
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Granted: 1938-02-15
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Expires: 1957-01-04
Abstract
No abstract record available.
Inventors
- 👤 Strobridge William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:20
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/18; F26B11/181
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) | 1941-02-14 | 1941-08-16 | 1942-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-02-14 | 1945-08-16 | 1946-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-02-14 | 1949-08-16 | 1950-02-15 | $7700.00 | Window Closed / Lapsed |