US3753853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for pressure vessels especially for nuclear reactors
Assignee: Siemens AG
•
Filing: 1970-09-24
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Granted: 1973-08-21
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Expires: 1990-09-24
Abstract
Abstract Safety device for pressure vessel having a cover to which tubes are secured includes a capture cover disposed on the outside of the pressure vessel cover, the capture cover becoming effective for covering the pressure vessel pursuant to rupture of the pressure vessel cover, the capture cover being formed with openings through which the tubes secured to the pressure vessel cover extend and being removable from the pressure vessel together with the pressure vessel cover.
Inventors
- 👤 H Schabert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:18
CPC Classifications
G; G21; G21C; G21C9/00; G21C9/001; G21C13/00; 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) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |