US2699724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple gear pump
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1950-06-14
•
Granted: 1955-01-18
•
Expires: 1970-06-14
Abstract
No abstract record available.
Inventors
- 👤 John F Murray
- 👤 James C Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:59
CPC Classifications
F; F04; F04C; F04C11/00; F04C11/001; F04C15/00; F04C15/0057; F04C15/0061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1629121A
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US1665026A
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US2280392A
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US2361226A
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US2491100A
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US2382042A
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US2356322A
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US2412588A
Cited
GB579582A
Cited
US2487449A
Cited
US2665637A
Cited
US2584865A
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US2665638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |