US2682430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable tread wheel
Assignee: Individual
•
Filing: 1953-05-11
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Granted: 1954-06-29
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Expires: 1973-05-11
Abstract
No abstract record available.
Inventors
- 👤 Marlin R Brubaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:44
CPC Classifications
B; B60; B60B; B60B3/00; B60B3/14; B60B3/16; B60B35/00; B60B35/02; B60B35/10; B60B35/1009; B60B35/1027; B60B35/1036; B60B35/1072; B60B35/1081; B60B2310/00; B60B2310/30; B60B2310/302; B60B2310/305; B60B2310/306; B60B2360/00; B60B2360/10; B60B2360/102; B60Y; B60Y2200/00; B60Y2200/20; B60Y2200/22; B60Y2200/221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |