Patent US2459286A successfully refreshed from Google Patents.
US2459286A
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US
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Combination spark plug and fuel injector
Assignee: Motors Liquidation Co
•
Filing: 1944-05-27
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Granted: 1949-01-18
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Expires: 1964-05-27
Abstract
No abstract record available.
Inventors
- 👤 Rabezzana Hector
- 👤 Francis J Wiegand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:15
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/16; F02M61/162; F02M61/163; F02M57/00; F02M57/06; F02M61/04; F02M61/08; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1352089A
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US1333897A
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US1358292A
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US1430964A
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US1525083A
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US1770608A
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US2002803A
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US2008803A
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US2173766A
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US2255203A
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US2238397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |