US3457807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking differential gear,especially for motor vehicles
Assignee: Daimler Benz AG
•
Filing: 1967-05-01
•
Granted: 1969-07-29
•
Expires: 1987-05-01
Abstract
No abstract record available.
Inventors
- 👤 Werner E Altmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:40
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/22; F16H48/06; F16H48/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1585140A
Cited
US1750981A
Cited
US1921406A
Cited
US2234591A
Cited
US2821096A
Cited
GB927924A
Cited
US3331262A
Cited
US3364791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |