Patent US2551491A successfully refreshed from Google Patents.
US2551491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety container for operation with radioactive substances
Assignee: Individual
•
Filing: 1950-07-05
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Granted: 1951-05-01
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Expires: 1970-07-05
Abstract
No abstract record available.
Inventors
- 👤 Gilks Ernest Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:10
CPC Classifications
G; G21; G21F; G21F5/00; G21F5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CONTAINER FOR REDIOACTIVE MATERIAL COMPRISING A BODY CONTAINING A BLOCK OF MATERIAL WHICH IS RELATIVELY IMPERVIOUS TO THE EMANATIONS FROM RADIOACTIVE MATERIAL, SAID BLOCK HAVING AN OPENING THERETHROUGH, SAID BODY HAVING PRIMARY AND SECONDARY SPACED OPENINGS ONE OPPOSITE AND IN LINE WITH EACH END OF THE OPENING THROUGH THE BLOCK, A MOVABLE CLOSURE ON THE BODY FOR CLOSING THE PRIMARY OPENING, A MOVABLE HANDLE BRACKET ON THE EXTERIOR OF THE BODY AND DISPOSED OUT OF LINE WITH THE SECONDARY OPENING, SAID HANDLE BRACKET HAVING AN ARM, A CLOSURE PLUG ON SAID ARM FOR SAID SECONDARY OPENING, SAID CLOSURE PLUG INCLUDING A MASS OF MATERIAL WHICH IS IMPREVIOUS TO THE EMANATIONS FROM RADIOACTIVE MATERIAL FOR ENGAGING IN ONE END OF THE OPENING THROUGH SAID BLOCK, AND A HANDLE ON SAID HANDLE BRACKET.
Claim 2
Dependent Claim
132 words
A CONTAINER FOR REDIOACTIVE MATERIAL COMPRISING A BODY CONTAINING A BLOCK OF MATERIAL WHICH IS RELATIVELY IMPERVIOUS TO THE EMANATIONS FROM RADIOACTIVE MATERIAL, SAID BLOCK HAVING AN OPENING THERETHROUGH, SAID BODY HAVING PRIMARY AND SECONDARY SPACED OPENINGS ONE OPPOSITE AND IN LINE WITH EACH END OF THE OPENING THROUGH THE BLOCK, A MOVABLE CLOSURE ON THE BODY FOR CLOSING THE PRIMARY OPENING, A MOVABLE HANDLE BRACKET ON THE EXTERIOR OF THE BODY AND DISPOSED OUT OF LINE WITH THE SECONDARY OPENING, SAID HANDLE BRACKET HAVING AN ARM, A CLOSURE PLUG ON SAID ARM FOR SAID SECONDARY OPENING, SAID CLOSURE PLUG INCLUDING A MASS OF MATERIAL WHICH IS IMPREVIOUS TO THE EMANATIONS FROM RADIOACTIVE MATERIAL FOR ENGAGING IN ONE END OF THE OPENING THROUGH SAID BLOCK, AND A HANDLE ON SAID HANDLE BRACKET.
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) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |