Patent US2432576A successfully refreshed from Google Patents.
US2432576A
Expired / Lapsed
US
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Gear pump for aeronautical apparatus
Assignee: Motors Liquidation Co
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Filing: 1942-11-25
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Granted: 1947-12-16
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Expires: 1962-11-25
Abstract
No abstract record available.
Inventors
- 👤 Albert E Koffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:34
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/18; Y; Y10; Y10S; Y10S277/00; Y10S277/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1379587A
Cited
DE426666C
Cited
US1894943A
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DE572631C
Cited
US2105428A
Cited
US2127151A
Cited
US2202913A
Cited
US2302966A
Cited
US2329990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |