Patent US3469473A successfully refreshed from Google Patents.
US3469473A
Expired / Lapsed
US
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Drive for auxiliary units of an internal combustion engine,especially in motor vehicles
Assignee: Daimler Benz AG
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Filing: 1967-09-25
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Granted: 1969-09-30
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Expires: 1987-09-25
Abstract
No abstract record available.
Inventors
- 👤 Hans-Joachim M Forster
- 👤 Wolfgang Zaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:28
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/48; F16H3/52; F16H3/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2127637A
Cited
US2183485A
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US2437467A
Cited
US2620899A
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US2630025A
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US3108494A
Cited
US3189150A
Cited
US3190414A
Cited
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 |