Patent US2598219A successfully refreshed from Google Patents.
US2598219A
Expired / Lapsed
US
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Tractor and cultivator attachment
Assignee: Individual
•
Filing: 1946-11-07
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Granted: 1952-05-27
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Expires: 1966-11-07
Abstract
No abstract record available.
Inventors
- 👤 Robert M Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:40
CPC Classifications
B; B62; B62D; B62D15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2157273A
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US2109668A
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US2483649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |