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US2525914A
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US
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Apparatus for stroboscopically indicating the flow of fluids
Assignee: FLOWMETER Corp OF AMERICA
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Filing: 1947-08-21
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Granted: 1950-10-17
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Expires: 1967-08-21
Abstract
No abstract record available.
Inventors
- 👤 Berthold A Knauth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:04
CPC Classifications
G; G01; G01P; G01P13/00; G01P13/0006; G01P13/004; G01P13/0046; G01P3/00; G01P3/36; G01P3/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1813349A
Cited
US2204463A
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US2310092A
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US2209700A
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US2326169A
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US2411613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |