Patent US3324739A successfully refreshed from Google Patents.
US3324739A
Expired / Lapsed
US
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Automatic regulation systems of hydrostatic transmissions for automotive vehicles
Assignee: Automobiles Citroen SA
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Filing: 1965-06-28
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Granted: 1967-06-13
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Brueder Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:49
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; C; C11; C11D; C11D3/00; C11D3/16; C11D3/18; F16H61/465
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |