Patent US2992175A successfully refreshed from Google Patents.
US2992175A
Expired / Lapsed
US
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Neutronic reactor shielding
Assignee: Individual
•
Filing: 1944-09-02
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Granted: 1961-07-11
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Expires: 1964-09-02
Abstract
No abstract record available.
Inventors
- 👤 Lyle B Borst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:28
CPC Classifications
G; G21; G21C; G21C11/00; G21C11/02; G21C11/028; G21F; G21F1/00; G21F1/02; G21F1/04; G21F1/042; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1707395A
Cited
US1576730A
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US1744869A
Cited
US1943584A
Cited
US2206634A
Cited
US2231577A
Cited
US2398347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |