US2711151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water removing system for boats
Assignee: Individual
•
Filing: 1952-06-06
•
Granted: 1955-06-21
•
Expires: 1972-06-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Shoemaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:22
CPC Classifications
B; B63; B63B; B63B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1382690A
Cited
US1716400A
Cited
US1874988A
Cited
US2495540A
Cited
US2530664A
Cited
US2608160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |