Patent US2953223A successfully refreshed from Google Patents.
US2953223A
Expired / Lapsed
US
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Hydraulic telescope-type shock absorber
Assignee: Individual
•
Filing: 1956-08-22
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Granted: 1960-09-20
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Expires: 1976-08-22
Abstract
No abstract record available.
Inventors
- 👤 Dillenburger Albert
- 👤 Koblenz-Lutzel
- 👤 Ley Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:39
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/003; F16F9/32; F16F9/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1595610A
Cited
US2274304A
Cited
GB574534A
Cited
DE830442C
Cited
US2599477A
Cited
US2753957A
Cited
FR1107155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |