US2662783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bush and bog harrow
Assignee: DEARBORN MOTORS Corp
•
Filing: 1951-09-21
•
Granted: 1953-12-15
•
Expires: 1971-09-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:35
CPC Classifications
A; A01; A01B; A01B21/00; A01B59/00; A01B59/06; A01B59/066; A01B59/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1566831A
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US1807379A
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US1727262A
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US1880075A
Cited
GB359433A
Cited
US1848359A
Cited
US2341807A
Cited
US2532637A
Cited
US2575622A
Cited
US2456693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |