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Patent US2682277A successfully refreshed from Google Patents.
US2682277A
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Apparatus for obtaining fluid samples and quenching same
Assignee: Standard Oil Development Co
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Filing: 1949-04-28
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Granted: 1954-06-29
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Expires: 1969-04-28
Abstract
No abstract record available.
Inventors
- 👤 Benjamin T Marshall
- 👤 Mason L Downing
- 👤 Paul J Harrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:55
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/6416; Y10T137/8593; Y10T137/87571
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1834305A
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US2084397A
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US2209296A
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US2376542A
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US2380977A
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US2410960A
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US2520692A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |