Patent US3459554A successfully refreshed from Google Patents.
US3459554A
Expired / Lapsed
US
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Process for ripening silages
Assignee: Kaken Pharmaceutical Co Ltd
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Filing: 1967-01-26
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Granted: 1969-08-05
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Expires: 1987-01-26
Abstract
No abstract record available.
Inventors
- 👤 Shogo Hashimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:01
CPC Classifications
A; A23; A23K; A23K30/00; A23K30/10; A23K30/15; A23K30/18; Y; Y10; Y10S; Y10S435/00; Y10S435/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3172764A
Cited
US1807043A
Cited
US2299745A
Cited
US2940857A
Cited
GB865796A
Cited
US3147121A
Cited
US3202587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |