Patent US2432852A successfully refreshed from Google Patents.
US2432852A
Expired / Lapsed
US
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Hay unloader with extended side wall base and reciprocable bottom forming member
Assignee: Individual
•
Filing: 1943-01-30
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Granted: 1947-12-16
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Expires: 1963-01-30
Abstract
No abstract record available.
Inventors
- 👤 Arvidson Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:36
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US21780A
Cited
US146251A
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US327011A
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US330880A
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US615748A
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AT17234B
Cited
US1013546A
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DE518566C
Cited
US1880287A
Cited
US2278730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |