US3020899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-compressing injection-type internal combustion engine
Assignee: Daimler Benz AG
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Filing: 1959-01-27
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Granted: 1962-02-13
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Expires: 1979-01-27
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:31
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4235; F02B; F02B23/00; F02B23/02; F02B23/06; F02B23/0645; F02B23/0654; F02B23/0657; F02B23/0696; F02B2275/00; F02B2275/14; F02B23/0618; F02B23/0621; F02B3/00; F02B3/06; F02F2001/244; F02F2001/247; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |