US2908823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of monoenergetic neutrons
Assignee: ExxonMobil Oil Corp
•
Filing: 1954-02-18
•
Granted: 1959-10-13
•
Expires: 1974-02-18
Abstract
No abstract record available.
Inventors
- 👤 John O Ely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:53
CPC Classifications
H; H05; H05H; H05H3/00; H05H3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A NEUTRON WELL LOGGING SYSTEM THE COMBINATION WHICH COMPRISES TWO CONFINED ZONES, MEANS FOR INTRODUCING AN ISOTOPE OF HYDROGEN IN AT LEAST ONE OF SAID ZONES, A MATERIAL IN EACH OF SAID ZONES CAPABLE OF REACTING WITH SAID ISOTOPE TO FORM A THERMALLY DECOMPOSABLE HYDRIDE, MEANS ADAPTED TO HEAT SAID MATERIAL IN ONE OF SAID ZONES TO A FIRST TEMPERATURE TO DECOMPOSE SAID HYDRIDE AND TO HEAT THE MATERIAL IN THE OTHER OF SAID ZONES TO A SECOND TEMPERATURE FOR COLLECTING THE RESULTANT GAS BY FORMATION OF A HYDRIDE, A TARGET IN A FIRST OF SAID ZONES CHARACTERIZED BY A CONCENTRATED DEPOSIT OF AN ISOTOPE OF HYDROGEN, MEANS FOR IONIZING THE GAS IN A SECOND OF SAID ZONES, A CONSTRICTED FLOW CONNECTION BETWEEN SAID ZONES, AND ACCELERATING MEANS IN SAID FIRST ZONE AND AD-
Claim 2
Dependent Claim
135 words
IN A NEUTRON WELL LOGGING SYSTEM THE COMBINATION WHICH COMPRISES TWO CONFINED ZONES, MEANS FOR INTRODUCING AN ISOTOPE OF HYDROGEN IN AT LEAST ONE OF SAID ZONES, A MATERIAL IN EACH OF SAID ZONES CAPABLE OF REACTING WITH SAID ISOTOPE TO FORM A THERMALLY DECOMPOSABLE HYDRIDE, MEANS ADAPTED TO HEAT SAID MATERIAL IN ONE OF SAID ZONES TO A FIRST TEMPERATURE TO DECOMPOSE SAID HYDRIDE AND TO HEAT THE MATERIAL IN THE OTHER OF SAID ZONES TO A SECOND TEMPERATURE FOR COLLECTING THE RESULTANT GAS BY FORMATION OF A HYDRIDE, A TARGET IN A FIRST OF SAID ZONES CHARACTERIZED BY A CONCENTRATED DEPOSIT OF AN ISOTOPE OF HYDROGEN, MEANS FOR IONIZING THE GAS IN A SECOND OF SAID ZONES, A CONSTRICTED FLOW CONNECTION BETWEEN SAID ZONES, AND ACCELERATING MEANS IN SAID FIRST ZONE AND AD-
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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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |