US2848057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic door locking device for vehicles
Assignee: Daimler Benz AG
•
Filing: 1954-01-15
•
Granted: 1958-08-19
•
Expires: 1974-01-15
Abstract
No abstract record available.
Inventors
- 👤 Hans Joachim M Forster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:06
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1991611A
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US2142403A
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US2185909A
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US2250014A
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US2314815A
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US2437992A
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US2624613A
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US2647789A
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US2674334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |