Patent US2957534A successfully refreshed from Google Patents.
US2957534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled agricultural vehicle with traction unit
Assignee: HUB MANUFACTURING Corp
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Filing: 1957-08-13
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Granted: 1960-10-25
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Expires: 1977-08-13
Abstract
No abstract record available.
Inventors
- 👤 Harold D Burdett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:05
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/02; B60; B60P; B60P3/00; B60P3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2387159A
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US2513718A
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US2531041A
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US2697491A
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US2680338A
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US2744582A
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US2706008A
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US2704158A
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US2746315A
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US2815083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |