Patent US2621934A successfully refreshed from Google Patents.
US2621934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural distributor for spreading manures, fertilizers, or the like over the ground
Assignee: Individual
•
Filing: 1948-06-11
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Granted: 1952-12-16
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Expires: 1968-06-11
Abstract
No abstract record available.
Inventors
- 👤 Atkinson Richard Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:05
CPC Classifications
A; A01; A01C; A01C3/00; A01C3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1213554A
Cited
US1648658A
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US1724379A
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US1945125A
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US2290126A
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US2344317A
Cited
US2360125A
Cited
US2421211A
Cited
GB609034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |