Patent US2514249A successfully refreshed from Google Patents.
US2514249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planting and thinning vehicle
Assignee: Individual
•
Filing: 1949-02-10
•
Granted: 1950-07-04
•
Expires: 1969-02-10
Abstract
No abstract record available.
Inventors
- 👤 Alvin R Madsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:48
CPC Classifications
A; A01; A01B; A01B41/00; A01B41/04; Y; Y10; Y10S; Y10S180/00; Y10S180/90
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |