Patent US2448446A successfully refreshed from Google Patents.
US2448446A
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Vertical air current type potato separating machine
Assignee: Individual
•
Filing: 1945-12-07
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Granted: 1948-08-31
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Expires: 1965-12-07
Abstract
No abstract record available.
Inventors
- 👤 Pointe Peter La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:59
CPC Classifications
A; A01; A01D; A01D33/00; A01D33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US8033A
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US186578A
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US1222003A
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US1597261A
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US1549102A
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US1663257A
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FR700354A
Cited
US1923977A
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US2130880A
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US2162392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |