Patent US2810588A successfully refreshed from Google Patents.
US2810588A
Expired / Lapsed
US
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Retractable caster wheel for trailer tongue
Assignee: Individual
•
Filing: 1954-08-30
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Granted: 1957-10-22
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Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Rozett Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:24
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/66; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033; B60S; B60S9/00; B60S9/14; B60S9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1524083A
Cited
FR784878A
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CH193812A
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US2162181A
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US2296789A
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US2525506A
Cited
US2519364A
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US2595453A
Cited
GB690707A
Cited
US2627424A
Cited
US2680028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |