US3523245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid monitoring capacitance probe having the electric circuitry mounted within the probe
Assignee: Halliburton Co
•
Filing: 1968-04-04
•
Granted: 1970-08-04
•
Expires: 1988-04-04
Abstract
No abstract record available.
Inventors
- 👤 Robert G Love
- 👤 Paul Lorenzino Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:30
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/56; G01F1/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2720624A
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US2737469A
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US2931433A
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US3005554A
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US3078709A
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US3269180A
Cited
US3200312A
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US3142985A
Cited
US3368147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |