US3398053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacer for box-shaped nuclear fuel element
Assignee: Siemens AG
•
Filing: 1966-09-01
•
Granted: 1968-08-20
•
Expires: 1986-09-01
Abstract
No abstract record available.
Inventors
- 👤 Gerald Huber
- 👤 Diethelm Knodler
- 👤 Hans Kropfl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:05
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/34; G21C3/356; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3228854A
Cited
US3255091A
Cited
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Cited
GB975297A
Cited
US3298922A
Cited
US3301764A
Cited
US3301765A
Cited
US3267000A
Cited
US3350275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |