US3528885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element for nuclear reactors
Assignee: Siemens AG
•
Filing: 1967-12-11
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Granted: 1970-09-15
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Expires: 1987-12-11
Abstract
No abstract record available.
Inventors
- 👤 Hermann Kumpf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:55
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/18; G21C5/22; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/082; G21C15/00; G21C15/02; G21C15/04; G21C15/24; G21C3/00; G21C3/30; G21C3/32; G21C3/322; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |