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US3001397A
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Method and apparatus for measuring liquid flow-volume
Assignee: Individual
•
Filing: 1958-01-29
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Granted: 1961-09-26
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Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Joe H Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:54
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/36; G01F3/38; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86187; Y10T137/8622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US274447A
Cited
US2248277A
Cited
US628581A
Cited
US1786090A
Cited
US2101257A
Cited
GB582155A
Cited
DE1012082B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |