Patent US2430665A successfully refreshed from Google Patents.
US2430665A
Expired / Lapsed
US
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Beet harvester with topper
Assignee: Individual
•
Filing: 1944-10-17
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Granted: 1947-11-11
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Expires: 1964-10-17
Abstract
No abstract record available.
Inventors
- 👤 Walter G Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:00
CPC Classifications
A; A01; A01D; A01D27/00; A01D27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US792961A
Cited
US1083451A
Cited
FR426247A
Cited
FR16743E
Cited
US1056708A
Cited
US1127537A
Cited
US1221775A
Cited
DE369742C
Cited
US1824376A
Cited
GB337233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |