US3408747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for conditioning grain
Assignee: Individual
•
Filing: 1967-04-24
•
Granted: 1968-11-05
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Expires: 1987-04-24
Abstract
No abstract record available.
Inventors
- 👤 Sylvester L Steffen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:22
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/30; A; A23; A23B; A23B9/00; A23B9/16; A23B9/18; A23B9/20; B; B02; B02B; B02B1/00; B02B1/08; F26B9/00; F26B9/06; F26B9/063
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |