US3010399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse generator
Assignee: Douglas Aircraft Co Inc
•
Filing: 1957-07-02
•
Granted: 1961-11-28
•
Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Charles G Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:25
CPC Classifications
G; G01; G01M; G01M7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2284640A
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US2367012A
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US2643184A
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US2712283A
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US2466561A
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US2529791A
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US2706382A
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GB679157A
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US2811015A
Cited
US2877709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |