US2854584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the selective detection of neutrons
Assignee: Well Surveys Inc
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Filing: 1952-08-02
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Granted: 1958-09-30
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Expires: 1972-08-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Youmans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:00
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/12; G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
APPARATUS FOR DETECTING NEUTRONS IN THE PRESENCE OF GAMMA RAYS COMPRISING NEUTRON REACTIVE SCINTILLATION MEANS ADAPTED TO PRODUCE HEAVY IONIZING PARTICLES WHEN BOMBARDED WITH NEUTRONS AND AT LEAST THE SCINTILLATION PORTION OF SAID MEANS BEING OF SUCH THICKNESS THAT HEAVY IONIZING PARTICLES CAUSE STRONG SCINTILLATIONS THEREIN AND GAMMA RAYS CAUSE WEAK SCINTILLATIONS THEREIN, AND PHOTOSENSITIVE GEIGER COUNTER MEANS EXPOSED TO SAID SCINTILLATION MEANS, SAID COUNTER MEANS BEING SENSITIVE SUBSTANTIALLY ONLY TO STRONG SCINTILLATIONS FOR PRODUCING ELECTRICAL PULSES INDICATIVE OF THE INCIDENT NEUTRONS.
Claim 2
Dependent Claim
82 words
APPARATUS FOR DETECTING NEUTRONS IN THE PRESENCE OF GAMMA RAYS COMPRISING NEUTRON REACTIVE SCINTILLATION MEANS ADAPTED TO PRODUCE HEAVY IONIZING PARTICLES WHEN BOMBARDED WITH NEUTRONS AND AT LEAST THE SCINTILLATION PORTION OF SAID MEANS BEING OF SUCH THICKNESS THAT HEAVY IONIZING PARTICLES CAUSE STRONG SCINTILLATIONS THEREIN AND GAMMA RAYS CAUSE WEAK SCINTILLATIONS THEREIN, AND PHOTOSENSITIVE GEIGER COUNTER MEANS EXPOSED TO SAID SCINTILLATION MEANS, SAID COUNTER MEANS BEING SENSITIVE SUBSTANTIALLY ONLY TO STRONG SCINTILLATIONS FOR PRODUCING ELECTRICAL PULSES INDICATIVE OF THE INCIDENT NEUTRONS.
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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |