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US2932299A
Expired / Lapsed
US
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Portable hydraulic hay stacking crib
Assignee: Individual
•
Filing: 1957-08-16
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Granted: 1960-04-12
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Expires: 1977-08-16
Abstract
No abstract record available.
Inventors
- 👤 Paul W Brandt
- 👤 Andrew H Swart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:47
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US881705A
Cited
US1430761A
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US1558983A
Cited
US1585715A
Cited
US2513003A
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US2679250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |