US3010522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beet harvester
Assignee: Individual
•
Filing: 1958-12-29
•
Granted: 1961-11-28
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Oppel Heinz Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:43
CPC Classifications
A; A01; A01D; A01D27/00; A01D27/04; B; B07; B07B; B07B1/00; B07B1/12; B07B1/14; B07B1/15; B07B1/155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR421776A
Cited
US1524360A
Cited
DE414459C
Cited
GB261878A
Cited
US2365540A
Cited
US2637964A
Cited
US2595340A
Cited
US2682739A
Cited
US2688222A
Cited
US2773343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |