Patent US4701788A successfully refreshed from Google Patents.
Patent US2975898A successfully refreshed from Google Patents.
US2975898A
Expired / Lapsed
US
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Apparatus for drying and cleaning seeds
Assignee: R W GUNSON (SEEDS) Ltd
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Filing: 1958-11-24
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Granted: 1961-03-21
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Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Nelson William Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:06
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B20/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |