Patent US3106535A successfully refreshed from Google Patents.
US3106535A
Expired / Lapsed
US
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Neutron radiation shielding material
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1959-12-28
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Granted: 1963-10-08
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Expires: 1979-12-28
Abstract
No abstract record available.
Inventors
- 👤 Blanco Angel Alberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:50
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2853624A
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US2811487A
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US2796411A
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US2796529A
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GB686445A
Cited
US2928948A
Cited
US2958451A
Cited
US2961415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |