Patent US2575985A successfully refreshed from Google Patents.
US2575985A
Expired / Lapsed
US
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Farm seeder
Assignee: Individual
•
Filing: 1950-05-10
•
Granted: 1951-11-20
•
Expires: 1970-05-10
Abstract
No abstract record available.
Inventors
- 👤 Eugene K Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:48
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/08; A01C7/085; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US16511A
Cited
US739347A
Cited
US896178A
Cited
US1117027A
Cited
US1751928A
Cited
US2219505A
Cited
US2416804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |