US2406192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sampling apparatus
Assignee: Phillips Petroleum Co
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Filing: 1943-01-26
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Granted: 1946-08-20
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Expires: 1963-01-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Cyrus D Cantrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20; G01N1/2035; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/479; Y10T137/8593; Y10T137/87249
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-08-19 | 1950-02-18 | 1950-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-19 | 1954-02-18 | 1954-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-19 | 1958-02-18 | 1958-08-20 | $7700.00 | Window Closed / Lapsed |