US2959677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas analysis
Assignee: Consolidated Electrodynamics Corp
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Filing: 1957-05-02
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Granted: 1960-11-08
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Expires: 1977-05-02
Abstract
No abstract record available.
Inventors
- 👤 Charles F Robinson
- 👤 Wilson M Brubaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:06
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/62; G01N27/64; G01N27/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
GAS ANALYZING APPARATUS COMPRISNG A CHAMBER, MEANS FOR FLOWING A STREAM OF SAMPLE GAS THROUGH THE CHAMBER, MEANS FOR FLOWING THROUGH THE CHAMBER A SHROUD OF PROTECTIVE GAS WHICH SURROUNDS THE GAS SAMPLE STREAM, MEANS FOR IRRADIATING THE GAS SAMPLE IN THE CHAMBER WITH ELECTROMAGNETIC RADIATION IN THE ULTRAVIOLET RANGE OF SUFFICIENT ENERGY TO IONIZE AT LEAST PART OF THE GAS SAMPLE, AND MEANS FOR DETECTING QUANTITATIVELY IONS SO PRODUCED.
Claim 2
Dependent Claim
70 words
GAS ANALYZING APPARATUS COMPRISNG A CHAMBER, MEANS FOR FLOWING A STREAM OF SAMPLE GAS THROUGH THE CHAMBER, MEANS FOR FLOWING THROUGH THE CHAMBER A SHROUD OF PROTECTIVE GAS WHICH SURROUNDS THE GAS SAMPLE STREAM, MEANS FOR IRRADIATING THE GAS SAMPLE IN THE CHAMBER WITH ELECTROMAGNETIC RADIATION IN THE ULTRAVIOLET RANGE OF SUFFICIENT ENERGY TO IONIZE AT LEAST PART OF THE GAS SAMPLE, AND MEANS FOR DETECTING QUANTITATIVELY IONS SO PRODUCED.
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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |