US3459635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containment pressure reduction system and radioactivity removal system for nuclear reactor installations
Assignee: Combustion Engineering Inc
•
Filing: 1966-12-29
•
Granted: 1969-08-05
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Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Frank Bevilacqua
- 👤 John M West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:33
CPC Classifications
G; G21; G21C; G21C9/00; G21C9/004; G21C9/012; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3056736A
Cited
US3105028A
Cited
US3113915A
Cited
US3155595A
Cited
GB909193A
Cited
US3205145A
Cited
US3322141A
Cited
US3232843A
Cited
US3258403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |