Patent US2583974A successfully refreshed from Google Patents.
US2583974A
Expired / Lapsed
US
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Fuel pump cylinder and piston
Assignee: Individual
•
Filing: 1947-01-09
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Granted: 1952-01-29
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Expires: 1967-01-09
Abstract
No abstract record available.
Inventors
- 👤 Caleb E Summers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:54
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/20; F02M59/30; F02D; F02D1/00; F02D1/02; F02M59/02; F02M59/04; F02M59/06; F02M59/44; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1376
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1441329A
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US1188156A
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US1517373A
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US1594136A
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US2075995A
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US2168850A
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US2187755A
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US2220821A
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US2361434A
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US2358271A
Cited
US2405152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |