US3563855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy absorber structure for a nuclear power plant containment system
Assignee: Boeing North American Inc
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Filing: 1968-11-12
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Granted: 1971-02-16
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Expires: 1988-11-12
Abstract
Abstract THE MECHANICAL INTEGRITY OF A NUCLEAR POWER PLANT CONTAINMENT SYSTEM IS MAINTAINED BY LIMITING THE MOTION OF THE TOP SHIELD ASSEMBLY OF A NUCLEAR REACTOR BY AN ENERGY ABSORBER STRUCTURE THAT ABSORBS THE ENERGY IMPARTED TO THE TOP SHIELD ASSEMBLY BY A MAXIMUM ACCIDENT IN THE REACTOR CORE WHICH HAS AN EQUIVALENT ENERGY RELEASE OF HUNDREDS OF POUNDS OF TNT, AND TRNASMITS THE RESULTING FORCE LOAD DIRECTLY TO THE REACTOR BUILDING STRUCTURE.
Inventors
- 👤 Myroslaw Marko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:30
CPC Classifications
G; G21; G21C; G21C9/00; G21C9/001; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |