US3469564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston-type internal combustion engine with fuel injection
Assignee: Daimler Benz AG
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Filing: 1967-10-09
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Granted: 1969-09-30
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Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 Hermann Hiereth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:40
CPC Classifications
F; F02; F02B; F02B23/00; F02B23/02; F02B23/06; F02B23/0645; F02B23/066; F02B23/0636; F02B23/0639; F02B23/0654; F02B23/0657; F02P; F02P19/00; F02B23/0618; F02B23/0624; F02B23/0648; F02B23/0651; F02B23/0669; 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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |