Patent US6228098B1 successfully refreshed from Google Patents.
US2463341A
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US
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Motor pump with sand trap and piming means
Assignee: FMC Corp
•
Filing: 1946-02-25
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Granted: 1949-03-01
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Expires: 1966-02-25
Abstract
No abstract record available.
Inventors
- 👤 John B Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:18
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/10; F04C2/107; F04C2/1071; F04C2/1073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1900228A
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US1930403A
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US2212417A
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US2290137A
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US2231650A
Cited
US2269189A
Cited
US2361146A
Cited
US2329386A
Cited
US2428487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |