US2969311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for producing plutonium chain reactions
Assignee: Individual
•
Filing: 1946-10-08
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Granted: 1961-01-24
•
Expires: 1966-10-08
Abstract
No abstract record available.
Inventors
- 👤 Eugene P Wigner
- 👤 Alvin M Weinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:00
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/18; G21C5/20; G21C3/00; G21C3/02; G21C3/28; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A NEUTRONIC REACTOR ACTIVE PORTION CAPABLE OF OPERATING AT AN ENERGY LEVEL OF 0.5 TO 1000 E.V. COMPRISING DISCRETE BODIES OF PU239 DISPOSED IN A BODY OF WATER WHICH CONTAINS NOT MORE THAN 5 MOLECULES OF WATER TO ONE ATOM OF PLUTONIUM, THE TOTAL AMOUNT OF PU239 BEING SUFFICIENT TO SUTAIN A CHAIN REACTION.
Claim 2
Dependent Claim
54 words
A NEUTRONIC REACTOR ACTIVE PORTION CAPABLE OF OPERATING AT AN ENERGY LEVEL OF 0.5 TO 1000 E.V. COMPRISING DISCRETE BODIES OF PU239 DISPOSED IN A BODY OF WATER WHICH CONTAINS NOT MORE THAN 5 MOLECULES OF WATER TO ONE ATOM OF PLUTONIUM, THE TOTAL AMOUNT OF PU239 BEING SUFFICIENT TO SUTAIN A CHAIN REACTION.
References Cited (Backward Citations)
CH233011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |