Patent US2429140A successfully refreshed from Google Patents.
US2429140A
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Shock absorber
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1943-10-13
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Granted: 1947-10-14
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Expires: 1963-10-13
Abstract
No abstract record available.
Inventors
- 👤 Snyder Jacob Rush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:22
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/08; F16F7/09; F16F7/095; B; B60; B60G; B60G13/00; B60G13/02; B60G13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1292539A
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US1689903A
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FR620246A
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US1747238A
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US1866167A
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GB384173A
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US2196089A
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US2212759A
Cited
FR843992A
Cited
US2205586A
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US2237318A
Cited
US2373508A
Cited
US2404666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |