US2942465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow meter
Assignee: Individual
•
Filing: 1955-02-23
•
Granted: 1960-06-28
•
Expires: 1975-02-23
Abstract
No abstract record available.
Inventors
- 👤 Carbone Nettie Frishman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:54
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/40; G01F1/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE296946C
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US1195915A
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US1698314A
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US1904333A
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US1850030A
Cited
FR781521A
Cited
US2284013A
Cited
US2487083A
Cited
US2561700A
Cited
US2614423A
Cited
US2842962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |