Patent US3137362A successfully refreshed from Google Patents.
Patent US1230477A successfully refreshed from Google Patents.
US3050751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat structure
Assignee: Individual
•
Filing: 1959-07-20
•
Granted: 1962-08-28
•
Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Robert R Moon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:27
CPC Classifications
B; B63; B63B; B63B32/00; B63B32/40; B63B32/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1323732A
Cited
US1872230A
Cited
GB427142A
Cited
US2271277A
Cited
US2389729A
Cited
FR972680A
Cited
US2685696A
Cited
FR1053535A
Cited
US2816299A
Cited
US2770817A
Cited
US2815518A
Cited
US2928109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |