US2663473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat loading device
Assignee: Individual
•
Filing: 1951-07-03
•
Granted: 1953-12-22
•
Expires: 1971-07-03
Abstract
No abstract record available.
Inventors
- 👤 Jerry N Mcmillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:58
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1008; B60P3/1025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1180253A
Cited
US2247128A
Cited
FR864799A
Cited
US2395717A
Cited
US2469987A
Cited
US2412162A
Cited
US2598458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |