US3477473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm-type hydraulic accumulators
Assignee: Automobiles Citroen SA
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Filing: 1967-06-19
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Granted: 1969-11-11
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Expires: 1987-06-19
Abstract
No abstract record available.
Inventors
- 👤 Edmond Henry-Biabaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:40
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/16; F15B1/165; F16; F16F; F16F9/00; F16F9/06; F16F9/08; F16F9/082; B; B60; B60G; B60G2206/00; B60G2206/01; B60G2206/40; B60G2206/42; B60G2206/422; B60G2206/4222; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3151; F15B2201/3156; F15B2201/40; F15B2201/415; F15B2201/43; F15B2201/435
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |