US2664779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame analyzer and flame source therefor
Assignee: Individual
•
Filing: 1950-06-13
•
Granted: 1954-01-05
•
Expires: 1970-06-13
Abstract
No abstract record available.
Inventors
- 👤 John U White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:59
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/71; G01N21/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A FLAME ANALYZED IN WHICH A SAMPLE TO BE ANALYZED IS ATOMIZED AND SUPPLIED TO A FLAME, AND IN WHICH THE INTENSITY OF THE RADIATION FROM THE FLAME AT A SELECTED WAVELENGTH IS MEASURED BY A LIGHT SENSITIVE DETECTION SYSTEM, THE COMBINATION OF A BURNER, A CHIMNEY SURROUNDING AT LEAST A PART OF THE FLAME OF SAID BURNER, SAID CHIMNEY PERMITTING THE TRANSMISSION OF RADIATION FROM SAID FLAME TO SAID DETECTION SYSTEM, A MEMBER ABUTTING THE BURNER AND THE CHIMNEY, SAID CHIMNEY BEING CLOSED AT ONE END BY SAID MEMBER AND OPEN AT THE OTHER END TO PERMIT THE EXIT OF THE FLAME GASES, A CONDUIT IN COMMUNICATION WITH
Claim 2
Dependent Claim
110 words
IN A FLAME ANALYZED IN WHICH A SAMPLE TO BE ANALYZED IS ATOMIZED AND SUPPLIED TO A FLAME, AND IN WHICH THE INTENSITY OF THE RADIATION FROM THE FLAME AT A SELECTED WAVELENGTH IS MEASURED BY A LIGHT SENSITIVE DETECTION SYSTEM, THE COMBINATION OF A BURNER, A CHIMNEY SURROUNDING AT LEAST A PART OF THE FLAME OF SAID BURNER, SAID CHIMNEY PERMITTING THE TRANSMISSION OF RADIATION FROM SAID FLAME TO SAID DETECTION SYSTEM, A MEMBER ABUTTING THE BURNER AND THE CHIMNEY, SAID CHIMNEY BEING CLOSED AT ONE END BY SAID MEMBER AND OPEN AT THE OTHER END TO PERMIT THE EXIT OF THE FLAME GASES, A CONDUIT IN COMMUNICATION WITH
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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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |