Patent US3056293A successfully refreshed from Google Patents.
US3056293A
Expired / Lapsed
US
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Flow measuring and dividing system
Assignee: Industrial Powertronix Inc
•
Filing: 1957-10-21
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Granted: 1962-10-02
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Frank R Ofner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:26
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/28; G01F1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1025809A
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US1414388A
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US1583574A
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US2147344A
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US2189018A
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US2614425A
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US2720889A
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US2659881A
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US2610646A
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US2687646A
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 |