Patent US3418841A successfully refreshed from Google Patents.
US3418841A
Expired / Lapsed
US
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Measurement of the volume of gases contained in a predetermined quantity of any material and especially geological samples such as drilling muds, waters and rocks
Assignee: Geoservices SA
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Filing: 1965-06-01
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Granted: 1968-12-31
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Issenmann Olivier Mari Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:38
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/26; G01N33/28; G01N33/2823; E; E21; E21B; E21B49/00; E21B49/005; G01N7/00; G01N7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2361844A
Cited
US3240068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |