US3247380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Determination of oxygen-18 by bombardment with alpha particles and detection of liberated neutrons
Assignee: Yeda Research and Development Co Ltd
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Filing: 1962-06-05
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Granted: 1966-04-19
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Expires: 1982-06-05
Abstract
No abstract record available.
Inventors
- 👤 Amiel Saadia
- 👤 Nir Aharon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:11
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/22; G01N2223/00; G01N2223/07; G01N2223/074; G01N2223/10; G01N2223/104; G01N2223/1045; G01N2223/30; G01N2223/303; G01N2223/3037; G01N2223/60; G01N2223/626; G01N2223/6265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
METHOD FOR THE QUANTITATIVE MEASUREMENT OF O18 COMPRISING THE STEP OF IRRADIATING THE SAMPLE WHOSE CONTENT OF O18 IS TO BE MEASURED WITH A-PARTICLES HAVING AN ENERGY OF FROM 4 TO 9 MEV. AND COUNTING THE LIBERATED NEUTRONS.
Claim 2
Dependent Claim
38 words
METHOD FOR THE QUANTITATIVE MEASUREMENT OF O18 COMPRISING THE STEP OF IRRADIATING THE SAMPLE WHOSE CONTENT OF O18 IS TO BE MEASURED WITH A-PARTICLES HAVING AN ENERGY OF FROM 4 TO 9 MEV. AND COUNTING THE LIBERATED NEUTRONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |