US2855855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure pump
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1949-06-30
•
Granted: 1958-10-14
•
Expires: 1969-06-30
Abstract
No abstract record available.
Inventors
- 👤 John F Murray
- 👤 James C Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:42
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0042; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1780109A
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US1972632A
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US2044873A
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US2105259A
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US2202913A
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US2420622A
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US2405061A
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US2412588A
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US2444165A
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US2470355A
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US2472031A
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US2487732A
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US2512025A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |