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US3399882A
Expired / Lapsed
US
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Hydraulic shock absorber assembly with parallel-connected gas spring and automatically controllable damping, particularly for motor vehicles
Assignee: ThyssenKrupp Bilstein GmbH
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Filing: 1967-01-03
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Granted: 1968-09-03
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Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Hausmann Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:18
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/048; F; F16; F16F; F16F9/00; F16F9/06; F16F9/08; F16F9/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3173671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |