Patent US2092831A successfully refreshed from Google Patents.
Patent US3510397A successfully refreshed from Google Patents.
US3510397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacer for the fuel rods of the fuel element of a nuclear reactor
Assignee: Studsvik Energiteknik AB
•
Filing: 1967-08-15
•
Granted: 1970-05-05
•
Expires: 1987-08-15
Abstract
No abstract record available.
Inventors
- 👤 Leif Zettervall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:50
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/34; G21C3/344; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE1082679B
Cited
GB925154A
Cited
DE1104082B
Cited
US3182003A
Cited
US3228854A
Cited
US3314860A
Cited
US3255090A
Cited
US3301764A
Cited
FR1436977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |