Patent US2557508A successfully refreshed from Google Patents.
US2557508A
Expired / Lapsed
US
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Metering fuel pump
Assignee: Individual
•
Filing: 1948-02-09
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Granted: 1951-06-19
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Expires: 1968-02-09
Abstract
No abstract record available.
Inventors
- 👤 William E Leibing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:52
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0452; F04B1/0465; F02; F02M; F02M59/00; F02M59/02; F02M59/04; F02M59/06; F02M69/00; F02M69/02; F04B1/0408; F04B1/06; F04B1/07; F04B1/10; F04B1/107; F04B1/1071; F04B49/00; F04B49/12; F04B49/123; F04B49/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB113163A
Cited
US1506892A
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US1494243A
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US1852335A
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US1714148A
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US1945152A
Cited
US2272771A
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US2406138A
Cited
US2397314A
Cited
US2445281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |