Patent US2699792A successfully refreshed from Google Patents.
Patent US3056028A successfully refreshed from Google Patents.
US3056028A
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Neutron shielding structure
Assignee: Individual
•
Filing: 1960-05-03
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Granted: 1962-09-25
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Expires: 1980-05-03
Abstract
No abstract record available.
Inventors
- 👤 James T Mattingly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:25
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/12; E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/36; E04C2/365; G21C; G21C11/00; G21C11/02; G21C11/028; G21F3/00; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |