Patent US2922010A successfully refreshed from Google Patents.
Patent US2419085A successfully refreshed from Google Patents.
US2419085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular row marker and cultivator
Assignee: Individual
•
Filing: 1945-05-28
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Granted: 1947-04-15
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Expires: 1965-05-28
Abstract
No abstract record available.
Inventors
- 👤 Chelcie H Newsom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:23
CPC Classifications
A; A01; A01B; A01B69/00; A01B69/002; A01B35/00; A01B35/02; A01B69/02; A01B69/024
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |