US3054290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double float liquid metering apparatus
Assignee: Oil Metering and Processing Equipment Corp
•
Filing: 1957-06-27
•
Granted: 1962-09-18
•
Expires: 1977-06-27
Abstract
No abstract record available.
Inventors
- 👤 Smith Horace Vernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:52
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/36; G01F3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US936358A
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US2158381A
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US2211282A
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US2794342A
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US2831350A
Cited
US2936622A
Cited
US2872817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |