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US3050628A
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US
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Method of determining composition of an oil and water mixture
Assignee: Kartridg Pak Co
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Filing: 1957-06-19
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Granted: 1962-08-21
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Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Martin B Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:14
CPC Classifications
G; G01; G01N; G01N23/00; G01N33/00; G01N33/02; G01N33/04; G01N2223/00; G01N2223/01; G01N2223/60; G01N2223/618; G01N2223/636
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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |