Patent US2623342A successfully refreshed from Google Patents.
US2623342A
Expired / Lapsed
US
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Potato digger
Assignee: Individual
•
Filing: 1947-08-07
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Granted: 1952-12-30
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Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Fruh Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:34
CPC Classifications
A; A01; A01D; A01D31/00; A01D31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE306812C
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US441938A
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DE441597C
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GB190916333A
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US1004041A
Cited
GB131454A
Cited
US1800257A
Cited
US1912706A
Cited
US2168738A
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US2291887A
Cited
US2310388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |