Patent US3785925A successfully refreshed from Google Patents.
US3785925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable radiation shield for nuclear reactor installation
Assignee: UNC NUCLEAR INDUSTRIES Inc A CORP OF
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Filing: 1971-11-01
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Granted: 1974-01-15
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Expires: 1991-11-01
Abstract
Abstract A portable radiation shield for a nuclear reactor is described. The shield is positioned between the reactor vessel and the fuel pool canal during fuel transfer therebetween. It features dual sets of lifting lugs, and flared rails and a removable plate to guide the fuel to a safer location in case of an accidental fall.
Inventors
- 👤 C Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:54
CPC Classifications
G; G21; G21C; G21C11/00; G21C11/02; G21C11/08; G21C11/083; G21C11/085; 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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |