Patent US2900035A successfully refreshed from Google Patents.
US2900035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive aggregate for motor vehicles
Assignee: Dr Ing HCF Porsche AG
•
Filing: 1956-08-20
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Granted: 1959-08-18
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Expires: 1976-08-20
Abstract
No abstract record available.
Inventors
- 👤 Porsche Ferdinand
- 👤 Hoenick Hans Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:22
CPC Classifications
B; B60; B60K; B60K5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB394554A
Cited
US2001029A
Cited
US2143889A
Cited
US2237369A
Cited
GB484439A
Cited
US2175527A
Cited
CH220075A
Cited
FR872978A
Cited
US2784794A
Cited
DE891804C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |