Patent US2571245A successfully refreshed from Google Patents.
US2571245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outboard motor
Assignee: Individual
•
Filing: 1947-09-13
•
Granted: 1951-10-16
•
Expires: 1967-09-13
Abstract
No abstract record available.
Inventors
- 👤 Le Roy S Holmes
- 👤 Raymond J Spanski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:11
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/10; B63H20/12; B63H20/14; B63H20/16; B63H25/00; B63H25/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US881324A
Cited
DE345103C
Cited
US1689962A
Cited
US1824213A
Cited
US2091247A
Cited
US2224900A
Cited
US2293322A
Cited
US2335597A
Cited
US2386703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |