Patent US2612840A successfully refreshed from Google Patents.
US2612840A
Expired / Lapsed
US
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Fuel injection system
Assignee: LOUIS G SIMMONS
•
Filing: 1948-05-13
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Granted: 1952-10-07
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Expires: 1968-05-13
Abstract
No abstract record available.
Inventors
- 👤 Robert A Lasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:00
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/02; F02M59/10; F02M59/107; F02M59/44; F02M59/46; F02M59/462; F02M2700/00; F02M2700/07; F02M2700/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1999693A
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US2019103A
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US2131779A
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US2090351A
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US2163313A
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US2178902A
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US2382000A
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US2407610A
Cited
US2414518A
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US2463374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |