US3397684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for facilitating the starting of diesel engines and the like
Assignee: Daimler Benz AG
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Filing: 1965-12-15
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Granted: 1968-08-20
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Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 Hans Dr-Ing Scherenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:22
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02; F02N19/04; F02B; F02B29/00; F02B29/04; F02B29/0406; F02B29/0412; F02B33/00; F02B33/44; F02B33/443; F01; F01P; F01P5/00; F01P5/10; F01P2005/105; F01P2060/00; F01P2060/02; F01P2060/04; F01P2060/18; 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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |