US3394682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan arrangement for cooling of internal combustion engine
Assignee: Daimler Benz AG
•
Filing: 1966-05-27
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Granted: 1968-07-30
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Expires: 1986-05-27
Abstract
No abstract record available.
Inventors
- 👤 Bensinger Wolf-Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:00
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/08; F01P5/00; F01P5/02; F01P2005/025; F01P5/04; F01P2005/046; F01P2025/00; F01P2025/08; F01P2025/32
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) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |