US3405550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromatographic method and apparatus for determining trace concentrations of water
Assignee: Mobil Oil AS
•
Filing: 1964-12-31
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Granted: 1968-10-15
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Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 Morton G Bloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:51
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/38; G01N30/46; G01N30/466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2790016A
Cited
US3056277A
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US3111837A
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US3080746A
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US3112640A
Cited
US3192473A
Cited
US3263493A
Cited
US3257609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |