US2997086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beet screening and cleaning device
Assignee: Spreckels Sugar Co
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Filing: 1958-11-06
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Granted: 1961-08-22
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Expires: 1978-11-06
Abstract
No abstract record available.
Inventors
- 👤 Austin A Armer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:32
CPC Classifications
A; A23; A23N; A23N12/00; A23N12/005; A01; A01D; A01D17/00; A01D17/06; Y; Y02; Y02A; Y02A40/00; Y02A40/90; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6668; Y10T83/869; Y10T83/8742; Y10T83/8743; Y10T83/8752
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) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |