US2676450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn harvesting machine
Assignee: FMC Corp
•
Filing: 1950-01-04
•
Granted: 1954-04-27
•
Expires: 1970-01-04
Abstract
No abstract record available.
Inventors
- 👤 Edward J Schaaf
- 👤 Edwin F Greedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:07
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/021; A01D45/025; Y; Y10; Y10S; Y10S56/00; Y10S56/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US880139A
Cited
US1821985A
Cited
US2223704A
Cited
US2434124A
Cited
US2542646A
Cited
US2571865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |