Patent US3275831A successfully refreshed from Google Patents.
US2644934A
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Fluid sampling apparatus
Assignee: Specialties Development Corp
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Filing: 1948-01-02
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Granted: 1953-07-07
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Expires: 1968-01-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry C Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:12
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/26; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2842; Y10T137/2863; Y10T137/8593; Y10T137/86911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434072A
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US678787A
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US1108278A
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US2032746A
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US2389204A
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US2430122A
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US2506394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |