US3472734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element for liquid-cooled nuclear reactors
Assignee: Forschungszentrum Jülich
•
Filing: 1967-06-15
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Granted: 1969-10-14
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Expires: 1987-06-15
Abstract
No abstract record available.
Inventors
- 👤 Alfred Boettcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:42
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/26; G21C3/30; G21C3/32; G21C3/36; G21C3/42; G21C3/58; G21C3/62; G21C3/626; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2820751A
Cited
GB891179A
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GB933500A
Cited
US3158547A
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US3122595A
Cited
US3312597A
Cited
US3276968A
Cited
US3325363A
Cited
US3290223A
Cited
US3262859A
Cited
US3318779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |