US2939670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outboard motor supporting trailer attachment
Assignee: Individual
•
Filing: 1958-09-19
•
Granted: 1960-06-07
•
Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
- 👤 Sidney L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:26
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US234500A
Cited
US413118A
Cited
US585910A
Cited
US1715590A
Cited
US1719821A
Cited
US2217996A
Cited
US2723038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |