US2951484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn cutting machine
Assignee: Individual
•
Filing: 1957-09-24
•
Granted: 1960-09-06
•
Expires: 1977-09-24
Abstract
No abstract record available.
Inventors
- 👤 Cover Ralph
- 👤 Paul F Cover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:08
CPC Classifications
A; A01; A01F; A01F11/00; A01F11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2717606A
Cited
US722874A
Cited
US1104677A
Cited
US1251885A
Cited
US2001457A
Cited
US2029344A
Cited
US2642910A
Cited
US2767716A
Cited
US2787273A
Cited
US2792839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |