US2674983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: Daimler Benz AG
•
Filing: 1949-09-01
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Granted: 1954-04-13
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Expires: 1969-09-01
Abstract
No abstract record available.
Inventors
- 👤 Kraus Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:18
CPC Classifications
F; F02; F02B; F02B19/00; F02B19/14; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR741540A
Cited
FR741612A
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DE589262C
Cited
GB345829A
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US2148505A
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GB459804A
Cited
US2316269A
Cited
CH214103A
Cited
FR877369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |