US2784379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1952-10-02
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Granted: 1957-03-05
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Expires: 1972-10-02
Abstract
No abstract record available.
Inventors
- 👤 Carl F Schunemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2159648A
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US2324262A
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US2344780A
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US2498907A
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US2443635A
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US2611822A
Cited
US2697767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |