US3361907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for gas analysis having voltage means to accelerate electrons from an ionization chamber to a detection chamber
Assignee: National Research Development Corp UK
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Filing: 1963-12-02
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Granted: 1968-01-02
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Expires: 1983-12-02
Abstract
No abstract record available.
Inventors
- 👤 Gregory Norman Lennox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:39
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/62; G01N27/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
APPARATUS FOR DETECTING A GASEOUS COMPONENT IN A MIXTURE WITH AT LEAST ONE OTHER GASEOUS COMPONENT COMPRISING A DETECTOR ENCLOSURE AND AN AUXILIARY ENCLOSURE WHICH COMMUNICATES WITH THE DETECTOR ENCLOSURE, INLETY A AND OUTLET MEANS FOR THE DETECTOR ENCLOSURE WHEREBY A GASEOUS STREAM MAY BE PASSED THROUGH THE DETECTOR ENCLOSURE WITHOUT PASSING THROUGH THE AUXILIARY ENCLOSURE, FURTHER INLET MEANS FOR THE AUXILIARY ENCLOSURE WHEREBY A FURTHER GASEOUS STREAM MAY BE PASSES INTO THE AUXILIARY ENCLOSURE AND THENCE INTO THE DETECTOR ENCLOSURE, DETECTOR MEANS FOR RESPONDING TO THE PRESENCE OF SAID GASEOUS COMPONENT IN THE DETECTOR ENCLOSURE, AND A RADIO-ACTIVE SOURCE DISPOSED WITHIN THE AUXILIARY ENCLOSURE, AND INCLUDING A MEANS FOR ESTABLISHED AN ELECTRIC POTENTIAL BETWEEN SAID DETECTOR ENCLOSURE AND SAID AUXILIARY ENCLOSURE FOR ACCELERATING ELECTRONS FROM THE AUXILIARY ENCLOSURE TO THE DETECTOR ENCLOSURE.
Claim 2
Dependent Claim
133 words
APPARATUS FOR DETECTING A GASEOUS COMPONENT IN A MIXTURE WITH AT LEAST ONE OTHER GASEOUS COMPONENT COMPRISING A DETECTOR ENCLOSURE AND AN AUXILIARY ENCLOSURE WHICH COMMUNICATES WITH THE DETECTOR ENCLOSURE, INLETY A AND OUTLET MEANS FOR THE DETECTOR ENCLOSURE WHEREBY A GASEOUS STREAM MAY BE PASSED THROUGH THE DETECTOR ENCLOSURE WITHOUT PASSING THROUGH THE AUXILIARY ENCLOSURE, FURTHER INLET MEANS FOR THE AUXILIARY ENCLOSURE WHEREBY A FURTHER GASEOUS STREAM MAY BE PASSES INTO THE AUXILIARY ENCLOSURE AND THENCE INTO THE DETECTOR ENCLOSURE, DETECTOR MEANS FOR RESPONDING TO THE PRESENCE OF SAID GASEOUS COMPONENT IN THE DETECTOR ENCLOSURE, AND A RADIO-ACTIVE SOURCE DISPOSED WITHIN THE AUXILIARY ENCLOSURE, AND INCLUDING A MEANS FOR ESTABLISHED AN ELECTRIC POTENTIAL BETWEEN SAID DETECTOR ENCLOSURE AND SAID AUXILIARY ENCLOSURE FOR ACCELERATING ELECTRONS FROM THE AUXILIARY ENCLOSURE TO THE DETECTOR ENCLOSURE.
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |