US2746442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering valve for fuel pump
Assignee: Individual
•
Filing: 1952-04-04
•
Granted: 1956-05-22
•
Expires: 1972-04-04
Abstract
No abstract record available.
Inventors
- 👤 Vernon D Roosa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:55
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/08; F02M41/14; F02M41/1405; F02M41/1411; F02M41/1427; F02M2041/1438; F02M2041/1483
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1611079A
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US1609472A
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US2222919A
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FR837572A
Cited
US2193270A
Cited
US2447265A
Cited
US2364812A
Cited
GB591599A
Cited
US2372456A
Cited
US2465784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |