Patent US3669544A successfully refreshed from Google Patents.
US3669544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the elimination and/or detection of scatter signals in atomic fluorescence spectroscopy analysis means
Assignee: Bayer Corp
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Filing: 1970-10-30
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Granted: 1972-06-13
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Expires: 1990-10-30
Abstract
Abstract NEW AND IMPROVED APPARATUS FOR ELIMINATING AND/OR DETECTING SCATTER SIGNALS FROM THE RADIATION SCATTERED BY SCATTERING PARTICLES IN THE SAMPLE FLAME OF ATOMIC FLUORESCENCE SPECTROSCOPY ANALYSIS MEANS ARE PROVIDED, AND COMPRISE MEANS TO CONVERT THE SCATTERED RADIATION TO RELATIVELY HIGH FREQUENCY SCATTER SIGNALS WHICH OCCUPY A HIGHER FRE- QUENCY REGION OF THE OUTPUT SIGNAL FREQUENCY SPECTRUM THAN THAT OCCUPIED BY THE ATOMIC FLUORESCENCE ANALYSIS OUTPUT SIGNAL, AND MEANS TO SEPARATE SAID SCATTER SIGNALS FROM SAID OUTPUT SIGNAL TO ELIMINATE THE FORMER FROM THE LATTER AND/ OR TO ENABLE DETECTION OF SAID SCATTER SIGNALS.
Inventors
- 👤 Zindel H Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:45
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/63; G01N21/64; G01N21/6402
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |