US3151244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accessory-carrying member for a radiation-protective screen
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1960-12-20
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Granted: 1964-09-29
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Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 Savouyaud Jean
- 👤 Vertut Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:15
CPC Classifications
G; G21; G21F; G21F7/00; G21F7/06; G21F7/061; G21F7/062; G21F3/00; G21F7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN AN ACCESSORY-CARRYING MEMBER FOR A RADIATION-PROTECTIVE SCREEN, A CIRCULAR TRANSVERSE OPENING IN SAID MEMBER, HELICAL THREADS IN SAID OPENING AND AN ACCESSORY OF RADIATION SHIELDING MATERIAL MOUNTED IN SAID THREADS TO FORM A RADIATION-TIGHT JOINT, SAID MEMBER COMPRISING A PLURALITY OF MUTUALLY INTERFITTING SEGMENTAL SUB-MEMBERS RADIALLY DISPOSED ABOUT THE PERIPHERY OF SAID OPENING, MUTUAL JOINING SURFACES FOR SAID SUB-MEMBERS AND AT LEAST TWO PLANAR FACETS FOR EACH OF SAID SURFACES DISPOSED AT AN ANGLE TO EACH OTHER PREVENTING THE PASSAGE OF RADIATION, SAID PLANAR FACETS FOR SAID JOINING SURFACES OF ONE OF SAID SUBMEMBERS BEING PARALLEL TO RADII OF SAID OPENING WHEREBY SAID ONE SUB-MEMBER MAY BE MOUNTED AND DISMOUNTED RADIALLY THROUGH SAID OPENING.
Claim 2
Dependent Claim
115 words
IN AN ACCESSORY-CARRYING MEMBER FOR A RADIATION-PROTECTIVE SCREEN, A CIRCULAR TRANSVERSE OPENING IN SAID MEMBER, HELICAL THREADS IN SAID OPENING AND AN ACCESSORY OF RADIATION SHIELDING MATERIAL MOUNTED IN SAID THREADS TO FORM A RADIATION-TIGHT JOINT, SAID MEMBER COMPRISING A PLURALITY OF MUTUALLY INTERFITTING SEGMENTAL SUB-MEMBERS RADIALLY DISPOSED ABOUT THE PERIPHERY OF SAID OPENING, MUTUAL JOINING SURFACES FOR SAID SUB-MEMBERS AND AT LEAST TWO PLANAR FACETS FOR EACH OF SAID SURFACES DISPOSED AT AN ANGLE TO EACH OTHER PREVENTING THE PASSAGE OF RADIATION, SAID PLANAR FACETS FOR SAID JOINING SURFACES OF ONE OF SAID SUBMEMBERS BEING PARALLEL TO RADII OF SAID OPENING WHEREBY SAID ONE SUB-MEMBER MAY BE MOUNTED AND DISMOUNTED RADIALLY THROUGH SAID OPENING.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |