US2551351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Box and boat automobile carrier
Assignee: ROSE SWENSON
•
Filing: 1947-06-06
•
Granted: 1951-05-01
•
Expires: 1967-06-06
Abstract
No abstract record available.
Inventors
- 👤 Elvin C Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:26
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1008; B60P3/1025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US420605A
Cited
US1681936A
Cited
US2180032A
Cited
US2247128A
Cited
US2395173A
Cited
US2392008A
Cited
US2412162A
Cited
US2434826A
Cited
US2446092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |