Patent US2889144A successfully refreshed from Google Patents.
US2889144A
Expired / Lapsed
US
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Spring adapters for shock absorbers
Assignee: Individual
•
Filing: 1954-05-06
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Granted: 1959-06-02
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Expires: 1974-05-06
Abstract
No abstract record available.
Inventors
- 👤 Walker Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:15
CPC Classifications
B; B60; B60G; B60G15/00; B60G15/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1745357A
Cited
GB422686A
Cited
GB455841A
Cited
US2344896A
Cited
GB565630A
Cited
US2621919A
Cited
FR1044393A
Cited
FR1059988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |