US2425806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for tractors
Assignee: G A KELLY PLOW Co
•
Filing: 1943-09-24
•
Granted: 1947-08-19
•
Expires: 1963-09-24
Abstract
No abstract record available.
Inventors
- 👤 W Ing John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:24
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; A01B63/111; A01B63/112; A01B63/1006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1074115A
Cited
US1262304A
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US1603993A
Cited
US2156569A
Cited
US2249861A
Cited
US2295898A
Cited
US2336062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |