US2980418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting hydraulic shock absorber
Assignee: Individual
•
Filing: 1958-10-06
•
Granted: 1961-04-18
•
Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Hans-Peter Doetsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:35
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; B; B60; B60G; B60G15/00; B60G17/00; B60G17/02; B60G17/04; B60G17/044; G; G21; G21K; G21K5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1855064A
Cited
US1918698A
Cited
US2077935A
Cited
US2348160A
Cited
US2436573A
Cited
US2616687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |