Patent US2950967A successfully refreshed from Google Patents.
US2950967A
Expired / Lapsed
US
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Plutonium-zirconium alloys
Assignee: Individual
•
Filing: 1957-08-29
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Granted: 1960-08-30
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Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Fred W Schonfeld
- 👤 James T Waber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:19
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/60; C; C22; C22C; C22C43/00; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |