US2539632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor mounted disk cultivator
Assignee: Individual
•
Filing: 1945-05-29
•
Granted: 1951-01-30
•
Expires: 1965-05-29
Abstract
No abstract record available.
Inventors
- 👤 Samuel J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:02
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US512708A
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US531200A
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US542470A
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US1115839A
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US1144151A
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US1162332A
Cited
US1417971A
Cited
US1432143A
Cited
US2191537A
Cited
US2351078A
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US2344301A
Cited
US2398147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |