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US3482692A
Expired / Lapsed
US
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Elutriator
Assignee: United States Atomic Energy Commission
•
Filing: 1968-10-02
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Granted: 1969-12-09
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Expires: 1988-10-02
Abstract
No abstract record available.
Inventors
- 👤 Arlin K Postma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:40
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899057A
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US775965A
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US1491429A
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US1842372A
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US2362130A
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US2631726A
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US2976997A
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US2929502A
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US2942792A
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US3249219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |