US3000207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining the rate of flow of a liquid
Assignee: ExxonMobil Oil Corp
•
Filing: 1957-10-07
•
Granted: 1961-09-19
•
Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Goffe John Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:53
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/36; G01F3/38; G01F9/00; G01F9/001; G01F9/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2325695A
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US2505905A
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US2697939A
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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 |