US2939319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow meter
Assignee: Bendix Aviation Corp
•
Filing: 1954-06-10
•
Granted: 1960-06-07
•
Expires: 1974-06-10
Abstract
No abstract record available.
Inventors
- 👤 Machlanski Sigmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:23
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR745170A
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GB120440A
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GB140964A
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GB237827A
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US1965333A
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FR748247A
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US2073372A
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US2097829A
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US2315185A
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US2258878A
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US2336209A
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GB570403A
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US2422762A
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US2385901A
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US2724270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |