US3444690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the hydrostatic transmission of mechanical torque
Assignee: Automobiles Citroen SA
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Filing: 1967-05-05
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Granted: 1969-05-20
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Expires: 1987-05-05
Abstract
No abstract record available.
Inventors
- 👤 Edmond Henry-Biabaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:19
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/12; F16H48/18; B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; F04; F04B; F04B1/00; F04B1/12; F04B1/128; F04B1/20; F04B1/2014; F04B1/2021; F04B1/2035; F04B1/2064; F04B1/2071; F16H47/00; F16H47/02
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |