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US2623751A
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US
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Fertilizer spreader
Assignee: Individual
•
Filing: 1948-09-09
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Granted: 1952-12-30
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Expires: 1968-09-09
Abstract
No abstract record available.
Inventors
- 👤 Kaller Johan Sigurd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:39
CPC Classifications
A; A01; A01C; A01C15/00; A01C15/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US27958A
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US896178A
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US1668516A
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US1623743A
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US2280234A
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US2369755A
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US2416898A
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US2350476A
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US2500681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |