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US2561925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain drier
Assignee: Individual
•
Filing: 1947-08-04
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Granted: 1951-07-24
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Expires: 1967-08-04
Abstract
No abstract record available.
Inventors
- 👤 William W Jakubik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:55
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B17/14; F26B17/1433; F26B17/1466; F26B17/1475
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US579398A
Cited
US663418A
Cited
US771805A
Cited
US983198A
Cited
US1603108A
Cited
US1816236A
Cited
US2077615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |