US3405513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn harvester
Assignee: SUVERKROP DON
•
Filing: 1967-07-27
•
Granted: 1968-10-15
•
Expires: 1987-07-27
Abstract
No abstract record available.
Inventors
- 👤 Suverkrop Don
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:41
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US693066A
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US1121895A
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US1168467A
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US1404813A
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US1719033A
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US1774450A
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US2526543A
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US2782581A
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US2763114A
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US3025654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |