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US2986533A
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Compact high density radiation screening material containing tungsten
Assignee: Individual
•
Filing: 1959-06-19
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Granted: 1961-05-30
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Expires: 1979-06-19
Abstract
No abstract record available.
Inventors
- 👤 Kurtz Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:19
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02; G21F1/08; Y; Y10; Y10S; Y10S75/00; Y10S75/95; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1216; Y10T428/12181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A RADIATION SCREENING MATERIAL OF HIGH DENSITY, HIGH TENSILE STRENGTH AND HIGH COMPRESSION STRENGTH CONSISTING OF COMPACTED TUNGSTEN PARTICLES COATED WITH AT LEAST ONE OF THE METALS IN THE GROUP CONSISTING OF TIN, NICKEL AND COPPER AND BONDED TOGETHER BY LEAD WHICH FILLS THE VOIDS BETWEEN SAID PARTICLES TO THE EXTENT THAT THE ACTUAL DENSITY OF SAID MATERIAL IS SUBSTANTIALLY FROM 98.7% TO 100.0% OF THE THEORETICAL DENSITY THEREOF IF ALL THE VOIDS WERE COMPLETELY FILLED.
Claim 2
Dependent Claim
76 words
A RADIATION SCREENING MATERIAL OF HIGH DENSITY, HIGH TENSILE STRENGTH AND HIGH COMPRESSION STRENGTH CONSISTING OF COMPACTED TUNGSTEN PARTICLES COATED WITH AT LEAST ONE OF THE METALS IN THE GROUP CONSISTING OF TIN, NICKEL AND COPPER AND BONDED TOGETHER BY LEAD WHICH FILLS THE VOIDS BETWEEN SAID PARTICLES TO THE EXTENT THAT THE ACTUAL DENSITY OF SAID MATERIAL IS SUBSTANTIALLY FROM 98.7% TO 100.0% OF THE THEORETICAL DENSITY THEREOF IF ALL THE VOIDS WERE COMPLETELY FILLED.
References Cited (Backward Citations)
US2034550A
Cited
US2600995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |