US2538705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furrow guide type weeder
Assignee: Individual
•
Filing: 1946-08-23
•
Granted: 1951-01-16
•
Expires: 1966-08-23
Abstract
No abstract record available.
Inventors
- 👤 Rada Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:18
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12; A01B39/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US339452A
Cited
US446624A
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US817999A
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US1105198A
Cited
US1113382A
Cited
US1158803A
Cited
US1245431A
Cited
US1695710A
Cited
US2304671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |