Patent US3248840A successfully refreshed from Google Patents.
US3529862A
Expired / Lapsed
US
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Devices for reducing the aerodynamic drag of automotive vehicles
Assignee: Automobiles Peugeot SA
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Filing: 1967-12-05
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Granted: 1970-09-22
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Expires: 1987-12-05
Abstract
No abstract record available.
Inventors
- 👤 Pierre E Jousserandot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:25
CPC Classifications
B; B62; B62D; B62D35/00; B62D35/007; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |