Patent US3056918A successfully refreshed from Google Patents.
US3056918A
Expired / Lapsed
US
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Engine analyzer employing cathoderay tube
Assignee: Lindberg AS
•
Filing: 1959-04-16
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Granted: 1962-10-02
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Expires: 1979-04-16
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Lindberg
- 👤 Leslie J Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:47
CPC Classifications
G; G01; G01M; G01M15/00; G01M15/04; G01M15/05; F; F02; F02P; F02P17/00; F02P17/02; G01R; G01R13/00; G01R13/20; G01R13/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2374666A
Cited
US2369749A
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US2518427A
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US2607903A
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US2675499A
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US2740069A
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US2795727A
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US2863088A
Cited
US2818523A
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US2867766A
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 |