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US3490289A
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US
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Apparatus for taking samples from a bath of molten material
Assignee: Institut de Recherches de la Siderurgie Francaise IRSID
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Filing: 1968-04-09
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Granted: 1970-01-20
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Expires: 1988-04-09
Abstract
No abstract record available.
Inventors
- 👤 Francois Mangin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:46
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/14; G01N1/1409; G01N1/12; G01N1/125; Y; Y10; Y10S; Y10S73/00; Y10S73/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |