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US3230767A
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US
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Measurement of fluid flow rate
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-03-19
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Granted: 1966-01-25
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Expires: 1983-03-19
Abstract
No abstract record available.
Inventors
- 👤 John J Heigl
- 👤 George E Conklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:27
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/07; G01F15/075; G01F15/0755
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1957681A
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US2204463A
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US2623389A
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US2882034A
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US2723562A
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US2962895A
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US3035449A
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US3076334A
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US3130582A
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US3156115A
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |