US2588709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk harrow
Assignee: Individual
•
Filing: 1947-06-06
•
Granted: 1952-03-11
•
Expires: 1967-06-06
Abstract
No abstract record available.
Inventors
- 👤 Elliott Hubert Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:25
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/08; A01B21/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US759782A
Cited
US1172046A
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US1861667A
Cited
US1898870A
Cited
US1892199A
Cited
US2184438A
Cited
US2352963A
Cited
US2380323A
Cited
US2420437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |