US2856340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped fissionable metal bodies
Assignee: Individual
•
Filing: 1945-06-15
•
Granted: 1958-10-14
•
Expires: 1965-06-15
Abstract
No abstract record available.
Inventors
- 👤 Eugene P Wigner
- 👤 Robert R Williamson
- 👤 Gale J Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:53
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901; Y10S376/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A NUCLEAR FISSIONABLE BODY HAVING A WAFFLE-LIKE SURFACE.
Claim 2
Dependent Claim
8 words
A NUCLEAR FISSIONABLE BODY HAVING A WAFFLE-LIKE SURFACE.
References Cited (Backward Citations)
US1019394A
Cited
US1106384A
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US1579779A
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US1840651A
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US1886830A
Cited
CH233011A
Cited
FR861390A
Cited
US2345722A
Cited
US2393036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |