US2901629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for slag detection in metal sheets
Assignee: J J MAGUIRE
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Filing: 1954-01-26
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Granted: 1959-08-25
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Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 Friedman Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:54
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/20; G01N23/207; G01N23/2076; G01N23/22; G01N23/223; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49764; Y10T29/49771; Y10T29/49773; Y10T29/49972; Y10T29/49975; Y10T29/49979; Y10T29/4998; Y10T29/49988; Y10T29/49991
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
APPARATUS FOR SETECTING THE INCLUSION OF SLAG IN A SHEET OF MATERIAL, SAID SLAG AND SLAG-FREE MATERIAL BEING CHARACTERIZED BY DIFFERENT CONCENTRATIONS OF A PREDETERMINED ELEMENT, COMPRISING MEANS FOR IRRADIATING AM ELEMETAL AREA OF SAID SHEET WITH AA BEAM OF X-RAYS OF A WAVELENGTH WHICH EXCITES THE FLUORESCENT X-RAY SPECTRUM OF SAID ELEMENT, MEANS FOR MOVING SAID SHEET PAST SAID AREA WITH SUBSTANIALLY UNIFORM SPEED, MEANS FOR SELECTIVELY DETECTING FLUORESCENT X-RAYS OF WAVELENGTH CHARACTERISTIC OF SAID ELEMENT AND UTILIZATION MEANS RESPONSIVE TO THE DETECTION OF THE CHASNGE OF CONCENTRATION OF SAID ELEMENT.
Claim 2
Dependent Claim
92 words
APPARATUS FOR SETECTING THE INCLUSION OF SLAG IN A SHEET OF MATERIAL, SAID SLAG AND SLAG-FREE MATERIAL BEING CHARACTERIZED BY DIFFERENT CONCENTRATIONS OF A PREDETERMINED ELEMENT, COMPRISING MEANS FOR IRRADIATING AM ELEMETAL AREA OF SAID SHEET WITH AA BEAM OF X-RAYS OF A WAVELENGTH WHICH EXCITES THE FLUORESCENT X-RAY SPECTRUM OF SAID ELEMENT, MEANS FOR MOVING SAID SHEET PAST SAID AREA WITH SUBSTANIALLY UNIFORM SPEED, MEANS FOR SELECTIVELY DETECTING FLUORESCENT X-RAYS OF WAVELENGTH CHARACTERISTIC OF SAID ELEMENT AND UTILIZATION MEANS RESPONSIVE TO THE DETECTION OF THE CHASNGE OF CONCENTRATION OF SAID ELEMENT.
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |