US2561644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer dolly and steering arm therefor
Assignee: Individual
•
Filing: 1947-05-22
•
Granted: 1951-07-24
•
Expires: 1967-05-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Averette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:58
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0857; B62D53/0864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1294859A
Cited
US2258678A
Cited
US2325822A
Cited
US2379170A
Cited
US2410241A
Cited
US2430906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |