Patent US2667197A successfully refreshed from Google Patents.
US2667197A
Expired / Lapsed
US
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Grain hulling apparatus
Assignee: Individual
•
Filing: 1950-05-13
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Granted: 1954-01-26
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Expires: 1970-05-13
Abstract
No abstract record available.
Inventors
- 👤 John E Giles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:19
CPC Classifications
B; B02; B02B; B02B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US258912A
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US1571518A
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US1614314A
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US1699441A
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US1700713A
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US1847009A
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US1874150A
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DE535312C
Cited
US1950069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |