US2523259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for cleaning grain
Assignee: Case LLC
•
Filing: 1946-12-24
•
Granted: 1950-09-26
•
Expires: 1966-12-24
Abstract
No abstract record available.
Inventors
- 👤 Homer B Aber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:55
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/18; B07B1/22; B07B1/24; B07B13/00; B07B13/14; B07B13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US466751A
Cited
US567569A
Cited
US1193751A
Cited
US1197548A
Cited
US1505836A
Cited
US1780067A
Cited
GB336252A
Cited
US2216914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |