Patent US2278397A successfully refreshed from Google Patents.
US2278397A
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Liquid pump and gas separator
Assignee: Airbus Defence and Space GmbH
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Filing: 1939-02-24
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Granted: 1942-03-31
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Expires: 1959-02-24
Abstract
No abstract record available.
Inventors
- 👤 Scheibe Alfred
- 👤 Valerius Wilhelm
- 👤 Wagenseil Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
H; H04; H04L; H04L17/00; B; B01; B01D; B01D19/00; B01D19/0042; B01D19/0052; B01D19/0057; F; F01; F01P; F01P11/00; F01P11/02; F01P11/028; F04; F04D; F04D9/00; F04D9/001; F04D9/002; F04D9/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-03-30 | 1945-09-29 | 1946-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-30 | 1949-09-29 | 1950-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-30 | 1953-09-29 | 1954-03-31 | $7700.00 | Window Closed / Lapsed |