US2425856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual wheel assembly
Assignee: Individual
•
Filing: 1943-05-07
•
Granted: 1947-08-19
•
Expires: 1963-05-07
Abstract
No abstract record available.
Inventors
- 👤 Charles S Ash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:35
CPC Classifications
B; B60; B60B; B60B11/00; B60B11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR547328A
Cited
US1560957A
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US1625584A
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US2038608A
Cited
US1917999A
Cited
US1912716A
Cited
US2057796A
Cited
US2170893A
Cited
US2177372A
Cited
US2331159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |