US2883542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for quantitative hydrogen determinations
Assignee: Standard Oil Co
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Filing: 1954-09-22
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Granted: 1959-04-21
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Expires: 1974-09-22
Abstract
No abstract record available.
Inventors
- 👤 Robert B Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:44
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AN APPARATUS FOR QUANTITATIVELY DETERMINING THE PROPORTION OF HYDROGEN IN AN HYDROCARBON SUBSTANCE WHICH COMPRISES A RADIATION DETECTOR MEANS FOR DETERMINING THE GAMMA RAY OBSORPTION COEFFICIENT OF SAID SAMPLE A SOURCE OF GAMMA RAYS SPACED FROM SAID DETECTOR MEANS, A SUBSTANCE CELL MEANS INTERPOSED SAID SOURCE AND SAID DETECTOR MEANS, CHAMBER MEANS IN FLUID COMMUNICATION WITH AN FORMING A PART OF SAID CELL MEANS, AND MEANS FOR DETERMINING THE SPECIFIC GRAVITY OF THE SUBSTANCE IN SAID SAMPLE CELL MEANS.
Claim 2
Independent Claim
79 words
AN APPARATUS FOR QUANTITATIVELY DETERMINING THE PROPORTION OF HYDROGEN IN AN HYDROCARBON SUBSTANCE WHICH COMPRISES A RADIATION DETECTOR MEANS FOR DETERMINING THE GAMMA RAY OBSORPTION COEFFICIENT OF SAID SAMPLE A SOURCE OF GAMMA RAYS SPACED FROM SAID DETECTOR MEANS, A SUBSTANCE CELL MEANS INTERPOSED SAID SOURCE AND SAID DETECTOR MEANS, CHAMBER MEANS IN FLUID COMMUNICATION WITH AN FORMING A PART OF SAID CELL MEANS, AND MEANS FOR DETERMINING THE SPECIFIC GRAVITY OF THE SUBSTANCE IN SAID SAMPLE CELL MEANS.
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |