Patent US3442491A successfully refreshed from Google Patents.
US3442491A
Expired / Lapsed
US
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Needle type fuel injection assembly
Assignee: Individual
•
Filing: 1966-01-25
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Granted: 1969-05-06
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Expires: 1986-01-25
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Messerschmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:28
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/04; F02M61/10; F02M61/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49423; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2061852A
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US2084207A
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US2090232A
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US2418448A
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US2572209A
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US2868584A
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US2948170A
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US3068563A
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US3052444A
Cited
US3358357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |