US2503128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Harvester roll
Assignee: Deere and Co
•
Filing: 1947-03-17
•
Granted: 1950-04-04
•
Expires: 1967-03-17
Abstract
No abstract record available.
Inventors
- 👤 Leonard B Neighbour
- 👤 Merrill W Roscoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:29
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D46/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US16008A
Cited
US872821A
Cited
US914465A
Cited
US1283721A
Cited
US1237832A
Cited
US2001079A
Cited
US2406058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |