US2609247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for attaching auxiliary wheels to tractors
Assignee: Individual
•
Filing: 1949-04-21
•
Granted: 1952-09-02
•
Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Lynn B Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:58
CPC Classifications
B; B60; B60B; B60B11/00; B60B11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE471293C
Cited
US1032757A
Cited
US1200255A
Cited
US1327607A
Cited
US1710058A
Cited
US1948136A
Cited
US1904081A
Cited
US2447225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |