US2876705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure loaded gear pump
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1953-05-29
•
Granted: 1959-03-10
•
Expires: 1973-05-29
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Aspelin
- 👤 John F Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:50
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)
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US2312655A
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US2477797A
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US2527941A
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US2544988A
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US2714856A
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US2682836A
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US2641192A
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US2695566A
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US2756681A
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US2702509A
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US2728301A
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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) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |