Patent US3498189A successfully refreshed from Google Patents.
US3498189A
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US
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Double-acting pneumatic servo-motor,especially adjusting motor for flaps or other reciprocating structural parts in motor vehicles
Assignee: Daimler Benz AG
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Filing: 1968-03-08
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Granted: 1970-03-03
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Expires: 1988-03-08
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Andres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:56
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2061898A
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GB631186A
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US2649843A
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US2753882A
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US2671470A
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US2976085A
Cited
US2969776A
Cited
US3218593A
Cited
US3289547A
Cited
US3395620A
Cited
US3408899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |