US2826495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy for use in nuclear fission
Assignee: Individual
•
Filing: 1946-07-17
•
Granted: 1958-03-11
•
Expires: 1966-07-17
Abstract
No abstract record available.
Inventors
- 👤 Frank H Spedding
- 👤 Harley A Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:57
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/60; 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)
US2025616A
Cited
CH233011A
Cited
US2526805A
Cited
US2708656A
Cited
US2692823A
Cited
US2574627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |