US3381571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spectroscopy apparatus for transmitting light longitudinally of a spectral flame
Assignee: Technicon Corp
•
Filing: 1962-06-15
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Granted: 1968-05-07
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Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
- 👤 Bert L Vallee
- 👤 Fuwa Keiichiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:31
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/71; G01N21/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN AN ATOMIC ABSORPTION FLAME PHOTOMETER, AN ABSORPTION CELL INCLUDING A TUBULAR PASSAGE, A SPECTRAL FLAME BURNER ARRANGED RELATIVE TO SAID CELL FOR THE TRAVEL OF THE FLAME THEREFROM THROUGH SAID PASSAGE LONGITUDINALLY THEREOF, AND A LIGHT SOURCE ARRANGED RELATIVE TO SAID CELL FOR THE TRANSMISSION OF THE LIGHT THEREFROM THROUGH THE FLAME IN SAID PASSAGE LONGITUDINALLY OF SAID PASSAGE, AND MEANS TO TRANSMIT THE LIGHT TO A SPECTOGRAPH AFTER THE
Claim 2
Dependent Claim
71 words
IN AN ATOMIC ABSORPTION FLAME PHOTOMETER, AN ABSORPTION CELL INCLUDING A TUBULAR PASSAGE, A SPECTRAL FLAME BURNER ARRANGED RELATIVE TO SAID CELL FOR THE TRAVEL OF THE FLAME THEREFROM THROUGH SAID PASSAGE LONGITUDINALLY THEREOF, AND A LIGHT SOURCE ARRANGED RELATIVE TO SAID CELL FOR THE TRANSMISSION OF THE LIGHT THEREFROM THROUGH THE FLAME IN SAID PASSAGE LONGITUDINALLY OF SAID PASSAGE, AND MEANS TO TRANSMIT THE LIGHT TO A SPECTOGRAPH AFTER THE
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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |