US3003103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for continuously measuring the concentration of solids, suspended in a fluid, said solids having electric properties which differ from those of the fluid
Assignee: ALGEMEEN TECH ONTWERPBUREAU AL
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Filing: 1956-10-10
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Granted: 1961-10-03
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Expires: 1976-10-10
Abstract
No abstract record available.
Inventors
- 👤 Smals Jacobus Laurens
- 👤 Kamp Johannes Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:41
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/06; G01N15/0656
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2712111A
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US2330394A
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US2370609A
Cited
US2376694A
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US2492174A
Cited
US2769139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |