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Patent US2493973A successfully refreshed from Google Patents.
US2493973A
Expired / Lapsed
US
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Throat plate for corn shellers
Assignee: Individual
•
Filing: 1947-07-21
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Granted: 1950-01-10
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Expires: 1967-07-21
Abstract
No abstract record available.
Inventors
- 👤 Leslie W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:34
CPC Classifications
A; A01; A01F; A01F11/00; A01F11/06; B; B02; B02B; B02B3/00; B02B3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US827579A
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US1034034A
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US1459305A
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US1850279A
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US1941770A
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US2070270A
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US2117494A
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US2258494A
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US2222282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |