US3469661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic shock absorber and fluid reservoir means therefor
Assignee: Fried Krupp AG Hoesch Krupp
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Filing: 1967-02-27
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Granted: 1969-09-30
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Expires: 1987-02-27
Abstract
No abstract record available.
Inventors
- 👤 Hans-Jurgen Hoffmann
- 👤 Manfred Lohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:34
CPC Classifications
B; B60; B60G; B60G15/00; B60G15/08; B60G15/12; B60G15/14; F; F16; F16F; F16F9/00; F16F9/06; F16F9/08; F16F9/088; F16F9/32; F16F9/50; F16F9/52
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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |