US3546968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking differential gear for vehicles,especially for motor vehicles
Assignee: Daimler Benz AG
•
Filing: 1968-09-27
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Granted: 1970-12-15
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Expires: 1988-09-27
Abstract
No abstract record available.
Inventors
- 👤 Werner E Altmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:08
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)
CA671445A
Cited
US2234591A
Cited
US2720796A
Cited
US2720797A
Cited
GB927924A
Cited
US3361008A
Cited
US3330169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |