US2870718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implement pump
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1953-10-23
•
Granted: 1959-01-27
•
Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Prasse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:42
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE498401A
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US2735372A
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US1379587A
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US1626115A
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US2406964A
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US2479077A
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US2571377A
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US2633807A
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GB659600A
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FR1024380A
Cited
US2702509A
Cited
US2676548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |