US3000213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid testing probe
Assignee: Cook Electric Co
•
Filing: 1955-08-08
•
Granted: 1961-09-19
•
Expires: 1975-08-08
Abstract
No abstract record available.
Inventors
- 👤 Charles E Eves
- 👤 Edward J Tschupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:18
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/02; B; B64; B64D; B64D15/00; B64D15/20; G01K13/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE364233C
Cited
US2182547A
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US2536037A
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GB626543A
Cited
GB674750A
Cited
US2680583A
Cited
US2775679A
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US2931227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |