US2553233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for determining the presence of gas in dispersions
Assignee: Schlumberger Well Surveying Corp
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Filing: 1945-02-17
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Granted: 1951-05-15
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Expires: 1965-02-17
Abstract
No abstract record available.
Inventors
- 👤 Blanchard Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:34
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/02; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02827
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A METHOD OF OBTAINING INDICATIONS OF THE PRESENCE OF A GAS IN A DISPERSION OF A SOLID IN LIQUID, IN WHICH WAVES OF ACOUSTIC OR ULTRASONIC FREQUENCY ARE PROPAGATED IN SAID DISPERSION, THE STEP OF OBTAINING INDICATIONS OF THE DISSIPATION OF THE ENERGY OF THE WAVES BY MEASURING POTENTIALS DEVELOPED IN SAID DISPERSION BETWEEN POINTS THAT ARE SPACED APART IN THE DIRECTION OF PROPAGATION OF SAID WAVES.
Claim 2
Dependent Claim
68 words
IN A METHOD OF OBTAINING INDICATIONS OF THE PRESENCE OF A GAS IN A DISPERSION OF A SOLID IN LIQUID, IN WHICH WAVES OF ACOUSTIC OR ULTRASONIC FREQUENCY ARE PROPAGATED IN SAID DISPERSION, THE STEP OF OBTAINING INDICATIONS OF THE DISSIPATION OF THE ENERGY OF THE WAVES BY MEASURING POTENTIALS DEVELOPED IN SAID DISPERSION BETWEEN POINTS THAT ARE SPACED APART IN THE DIRECTION OF PROPAGATION OF SAID WAVES.
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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |