Patent US2978987A successfully refreshed from Google Patents.
US2978987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection pumps
Assignee: Individual
•
Filing: 1957-05-20
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Granted: 1961-04-11
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Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 Bessiere Pierre Etienne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:38
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/20; F02M59/36; F02M45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2225019A
Cited
US2173813A
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US2174526A
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US2410517A
Cited
US2537087A
Cited
US2410947A
Cited
US2582535A
Cited
US2695786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |