Patent US2960976A successfully refreshed from Google Patents.
US2960976A
Expired / Lapsed
US
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Fuel injection apparatus
Assignee: Individual
•
Filing: 1958-03-31
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Granted: 1960-11-22
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 James W Cassell
- 👤 Andrew W Graybeal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:07
CPC Classifications
F; F02; F02M; F02M69/00; F02M69/46; F02M69/50; F02M2700/00; F02M2700/05; F02M2700/055
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2623509A
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US2552609A
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US2612341A
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US2599915A
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US2828952A
Cited
US2773140A
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US2863433A
Cited
US2880713A
Cited
US2847983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |