US2622893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled attachment for transporting boats
Assignee: Individual
•
Filing: 1949-04-16
•
Granted: 1952-12-23
•
Expires: 1969-04-16
Abstract
No abstract record available.
Inventors
- 👤 Henry G Wasserlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:58
CPC Classifications
B; B63; B63C; B63C13/00; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32091; Y10T403/32549
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US959170A
Cited
US1939863A
Cited
US2115864A
Cited
US2171889A
Cited
US2339782A
Cited
FR871755A
Cited
US2421671A
Cited
US2410570A
Cited
US2437736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |