Patent US3162128A successfully refreshed from Google Patents.
US2540377A
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Apparatus for determining vapor pressure
Assignee: Standard Oil Co
•
Filing: 1947-03-25
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Granted: 1951-02-06
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Expires: 1967-03-25
Abstract
No abstract record available.
Inventors
- 👤 Robert W Pachaly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/14; G01N1/00; G01N1/02; G01N1/10; G01N1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1470381A
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US1519549A
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US2126052A
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US2002101A
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US2032007A
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US2145203A
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US2281978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |