US3275831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation beam shutter collimator
Assignee: Industrial Nucleonics Corp
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Filing: 1963-05-16
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Granted: 1966-09-27
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Expires: 1983-05-16
Abstract
No abstract record available.
Inventors
- 👤 Philip T Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:56
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/083; G21; G21K; G21K1/00; G21K1/02; G21K1/04; G21K1/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A STRUCTURE FOR COLLIMATING A BEAM OF RADIATION DIRECTED FROM A SOURCE OF RADIATION TOWARD A DETECTOR, SAID STRUCTURE COMPRISING A CYLINDRICAL MEMBER MOUNTED FOR ROTATION ABOUT A LONGITUDINAL AXIS TRANSVERSELY SITUATED WITH RESPECT TO SAID RADIATION BEAM, SAID MEMBER HAVING REVERSE-TAPPERED RADIATION APERTURE PROVIDED THERETHROUGH WITH THE AXIS THEREOF POSITIONED PERPENDICULAR TO SAID AXIS OF ROTATION, THE CROSS-SECTIONAL AREA OF SAID APERTURE BEING SMALLER AT THE CENTER OF SAID MEMBER AT THE INTERSECTION OF SAID LONGITUDINAL AXES THAN AT THE SURFACE OF SAID MEMBER, AND MEANS FOR ROTATING SAID
Claim 2
Dependent Claim
90 words
A STRUCTURE FOR COLLIMATING A BEAM OF RADIATION DIRECTED FROM A SOURCE OF RADIATION TOWARD A DETECTOR, SAID STRUCTURE COMPRISING A CYLINDRICAL MEMBER MOUNTED FOR ROTATION ABOUT A LONGITUDINAL AXIS TRANSVERSELY SITUATED WITH RESPECT TO SAID RADIATION BEAM, SAID MEMBER HAVING REVERSE-TAPPERED RADIATION APERTURE PROVIDED THERETHROUGH WITH THE AXIS THEREOF POSITIONED PERPENDICULAR TO SAID AXIS OF ROTATION, THE CROSS-SECTIONAL AREA OF SAID APERTURE BEING SMALLER AT THE CENTER OF SAID MEMBER AT THE INTERSECTION OF SAID LONGITUDINAL AXES THAN AT THE SURFACE OF SAID MEMBER, AND MEANS FOR ROTATING SAID
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |