US3159548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of nuclear fission
Assignee: Dutch Research Council
•
Filing: 1955-09-26
•
Granted: 1964-12-01
•
Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Jan J Went
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:33
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/24; G21C1/26; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
IN A PROCESS FOR THE ESTABLISHMENT OF A SELF-SUSTAINING NEUTRON CHAIN FISSION REACTION IN A SYSTEM COMPRISING
Claim 2
Dependent Claim
17 words
IN A PROCESS FOR THE ESTABLISHMENT OF A SELF-SUSTAINING NEUTRON CHAIN FISSION REACTION IN A SYSTEM COMPRISING
References Cited (Backward Citations)
GB688822A
Cited
US2743225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |