Patent US2452418A successfully refreshed from Google Patents.
US2452418A
Expired / Lapsed
US
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Beet digger
Assignee: Individual
•
Filing: 1944-05-29
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Granted: 1948-10-26
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Expires: 1964-05-29
Abstract
No abstract record available.
Inventors
- 👤 Roscoe C Zuckerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:36
CPC Classifications
A; A01; A01D; A01D25/00; A01D25/04; A01D25/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US555251A
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US792961A
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US1026835A
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US1127537A
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US1131465A
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US1282657A
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US1399876A
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US1872744A
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US1882636A
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US2018183A
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US2230391A
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US2287367A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |