Patent US2722288A successfully refreshed from Google Patents.
US2722288A
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Shock absorber with centrifugal valve
Assignee: Individual
•
Filing: 1952-01-29
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Granted: 1955-11-01
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Expires: 1972-01-29
Abstract
No abstract record available.
Inventors
- 👤 Steinbauer Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:45
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/48; F16F9/49; F16F9/3207; F16F9/3214; F16F9/50; F16F9/512
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1094567A
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US1782533A
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US1954693A
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US2140357A
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US2067640A
Cited
US2095112A
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US2182271A
Cited
US2162292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |