US3492797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn harvesting unit
Assignee: FMC Corp
•
Filing: 1967-08-14
•
Granted: 1970-02-03
•
Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Bobby Joe Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:25
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |