US3417167A
Expired / Lapsed
US
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Method of preparing spherical uranium nitride particles having a porous interior
Assignee: United States Atomic Energy Commission
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Filing: 1968-02-02
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Granted: 1968-12-17
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Expires: 1988-02-02
Abstract
No abstract record available.
Inventors
- 👤 Donald E Kizer
- 👤 Donald E Lozier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:33
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/06; C01B21/0615; C01B21/063; G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; C01P; C01P2004/00; C01P2004/30; C01P2004/32; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/14; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
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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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |