US3460644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rear engine drive passenger motor vehicles
Assignee: Dr Ing HCF Porsche AG
•
Filing: 1967-04-13
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Granted: 1969-08-12
•
Expires: 1987-04-13
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand Anton Ernst Porsche
- 👤 Wolfgang Eyb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:37
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/30; B26B21/32; B60; B60G; B60G3/00; B60G3/18; B60G3/20; B60G3/22; B60G3/225; B60K; B60K5/00; B60K5/04; B60G2200/00; B60G2200/10; B60G2200/13; B60G2200/132; B60G2200/1322; B60G2200/40; B60G2200/422; B60G2202/00; B60G2202/10; B60G2202/13; B60G2202/134; B60G2206/00; B60G2206/01; B60G2206/011; B60G2206/0114; B60G2206/60; B60G2206/602
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1959113A
Cited
US2164096A
Cited
GB544748A
Cited
US2782864A
Cited
US2900035A
Cited
US2938591A
Cited
FR1163708A
Cited
FR1276190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |