US2778347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection type internal combustion engine having a subdivided combustion space
Assignee: Rolls Royce Solutions GmbH
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Filing: 1953-12-24
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Granted: 1957-01-22
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Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 Mallinckrodt Werner Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:40
CPC Classifications
F; F02; F02B; F02B19/00; F02B19/14; F02B23/00; F02B23/02; F02B23/04; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR711218A
Cited
US2619078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |