US2624286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submerged pump and motor assembly
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1948-10-12
•
Granted: 1953-01-06
•
Expires: 1968-10-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:07
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/04; F02M37/08; F02M37/10; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0693; F04D13/08; F04D13/086; F04D9/00; F04D9/001; F04D9/002; F02M2037/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1027404A
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US1113138A
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US1267832A
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US1693365A
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US2161447A
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US2310423A
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US2227954A
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US2320708A
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US2393935A
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US2361747A
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US2419592A
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US2379133A
Cited
US2463231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |