Patent US2501097A successfully refreshed from Google Patents.
US2501097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn harvester
Assignee: Individual
•
Filing: 1944-04-13
•
Granted: 1950-03-21
•
Expires: 1964-04-13
Abstract
No abstract record available.
Inventors
- 👤 Henry L Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:05
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US435238A
Cited
US640961A
Cited
US653865A
Cited
US696347A
Cited
US879404A
Cited
US1034152A
Cited
US970266A
Cited
US1017783A
Cited
US1528635A
Cited
US1729648A
Cited
US1708327A
Cited
US1722717A
Cited
US1734972A
Cited
US1766439A
Cited
US1810600A
Cited
US2333901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |