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Patent US2569760A successfully refreshed from Google Patents.
US2569760A
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US
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Stacker for hay in bales
Assignee: Individual
•
Filing: 1947-10-03
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Granted: 1951-10-02
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Expires: 1967-10-03
Abstract
No abstract record available.
Inventors
- 👤 Christian A Hansen
- 👤 Carl T Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:45
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/12; A01D87/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US64167A
Cited
US2049676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |