US3500046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tester for free water in hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-06-21
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Granted: 1970-03-10
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Expires: 1986-06-21
Abstract
No abstract record available.
Inventors
- 👤 Donald A Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:04
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/63; G01N21/64; G01N21/75; G01N21/77; G01N21/78; G01N21/81; G01N33/00; G01N33/26; G01N33/28; G01N33/2835; G01N33/2847
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1912740A
Cited
US1993958A
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US2217991A
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US2326007A
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US2593391A
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US3012142A
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US3066221A
Cited
US3194963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |