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Patent US3498880A successfully refreshed from Google Patents.
US3498880A
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Liquid cooled nuclear reactor with means for isolating heat exchanger
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1967-11-16
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Granted: 1970-03-03
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Expires: 1987-11-16
Abstract
No abstract record available.
Inventors
- 👤 Henri-Jacques Gollion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:38
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/16; F28D7/163; F28D7/1669; G; G21; G21C; G21C1/00; G21C1/02; G21C1/03; F28D21/00; F28D2021/0019; F28D2021/0054; 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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |