Patent US2738780A successfully refreshed from Google Patents.
US2738780A
Expired / Lapsed
US
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Internal combustion engine
Assignee: Daimler Benz AG
•
Filing: 1950-11-29
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Granted: 1956-03-20
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Expires: 1970-11-29
Abstract
No abstract record available.
Inventors
- 👤 Bensinger Wolf-Dieter
- 👤 Adolf F C Wente
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:51
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4285; F02B; F02B1/00; F02B1/02; F02B1/04; F02F2001/241; F02F2001/244; F02F2001/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB174145A
Cited
GB247729A
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US2028760A
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US2094893A
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US2061826A
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US2133592A
Cited
US2126939A
Cited
US2282435A
Cited
US2296192A
Cited
US2380066A
Cited
US2428886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |