US3114832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray spectroscopic system comprising plural sources, filters, fluorescent radiators, and comparative detectors
Assignee: RADIATION COUNTER LAB Inc
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Filing: 1960-07-28
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Granted: 1963-12-17
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Expires: 1980-07-28
Abstract
No abstract record available.
Inventors
- 👤 Luis W Alvarez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:56
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/22; G01N23/223; G01N23/02; G01N2223/00; G01N2223/07; G01N2223/076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
X-RAY SPECTROSCOPIC APPARATUS COMPRISING A SOURCE OF X-RAYS EXHIBITING SPECTRAL LINES AT WAVELENGTHS BOTH LONGER AND SHORTER THAN THE WAVELENGTH CORRESPONDING TO AN X-RAY ABSORPTION EDGE OF A SELECTED ONE OF A GROUP OF ELEMENTS BUT RESPECTIVELY SHORTER AND LONGER THAN THE WAVE LENGTHS OF THE K ABSORPTION EDGES OF THE ELEMENTS OF SAID GROUP OF THE NEXT LOWER AND NEXT HIGHER ATOMIC NUMBERS RESPECTIVELY, SHIELDING MEANS ADJACENT TO SAID SOURCE AND HAVING AN APERTURE DEFINING A BEAM OF SAID X-RAYS, X-RAY INTENSITY MEASURING MEANS DISPOSED IN SAID BEAM AND SPACED FROM SAID SOURCE A SUFFICIENT DISTANCE FOR THE PLACING OF BODIES TO BE EXAMINED THEREBETWEEN, SAID INTENSITY MEASURING MEANS COMPRISING TWO X-RAY
Claim 2
Dependent Claim
113 words
X-RAY SPECTROSCOPIC APPARATUS COMPRISING A SOURCE OF X-RAYS EXHIBITING SPECTRAL LINES AT WAVELENGTHS BOTH LONGER AND SHORTER THAN THE WAVELENGTH CORRESPONDING TO AN X-RAY ABSORPTION EDGE OF A SELECTED ONE OF A GROUP OF ELEMENTS BUT RESPECTIVELY SHORTER AND LONGER THAN THE WAVE LENGTHS OF THE K ABSORPTION EDGES OF THE ELEMENTS OF SAID GROUP OF THE NEXT LOWER AND NEXT HIGHER ATOMIC NUMBERS RESPECTIVELY, SHIELDING MEANS ADJACENT TO SAID SOURCE AND HAVING AN APERTURE DEFINING A BEAM OF SAID X-RAYS, X-RAY INTENSITY MEASURING MEANS DISPOSED IN SAID BEAM AND SPACED FROM SAID SOURCE A SUFFICIENT DISTANCE FOR THE PLACING OF BODIES TO BE EXAMINED THEREBETWEEN, SAID INTENSITY MEASURING MEANS COMPRISING TWO X-RAY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |