US2531379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Harvester for onions and the like
Assignee: Individual
•
Filing: 1945-05-09
•
Granted: 1950-11-28
•
Expires: 1965-05-09
Abstract
No abstract record available.
Inventors
- 👤 Earnest E Chickering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:01
CPC Classifications
A; A01; A01D; A01D33/00; A01D33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL56132C
Cited
US861857A
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US1041595A
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US1081201A
Cited
US1083927A
Cited
US1124059A
Cited
AT74699B
Cited
US1445449A
Cited
US1479929A
Cited
US1671263A
Cited
US1873352A
Cited
US2422524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |