US2619016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way plow
Assignee: Individual
•
Filing: 1947-12-15
•
Granted: 1952-11-25
•
Expires: 1967-12-15
Abstract
No abstract record available.
Inventors
- 👤 James E Dooley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:14
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/24; A01B3/28; A01B3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US966662A
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US1089213A
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US1262304A
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US1270525A
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US1348219A
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GB308847A
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US1817085A
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FR691630A
Cited
US2249861A
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US2385935A
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US2363901A
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US2366155A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |