US2947291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compression ignition engine
Assignee: Continental Motors Corp
•
Filing: 1958-02-27
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Granted: 1960-08-02
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Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Earl R Klinge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:57
CPC Classifications
F; F02; F02M; F02M43/00; F02M43/02; F02M41/00; F02M41/08; F02M41/10; F02M41/12; F02M41/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |