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US3009388A
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Apparatus for determining fluid fractions and sedimentataion rates
Assignee: American Optical Corp
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Filing: 1957-12-30
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Granted: 1961-11-21
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Michael L Polanyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:59
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5021; B01L3/54; B01L3/545; B01L3/5453; B04; B04B; B04B5/00; B04B5/04; B04B5/0407; B04B5/0414; B04B5/0421; B04B9/00; B04B9/10; G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/07; B04B7/00; B04B7/02; B04B2007/025; G01N35/00; G01N35/02; G01N35/04; G01N2035/0401; G01N2035/0429; G01N2035/0436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |