US3056292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass flowmeter
Assignee: General Electric Co
•
Filing: 1959-05-21
•
Granted: 1962-10-02
•
Expires: 1979-05-21
Abstract
No abstract record available.
Inventors
- 👤 Dave B Levins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:35
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/76; G01F1/78; G01F1/80; G01F1/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2375003A
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US2472609A
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US2758830A
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US2529481A
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US2629859A
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GB711109A
Cited
GB807546A
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US2832218A
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US2814949A
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US2943483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |