US3005974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting the wake of a vessel
Assignee: Individual
•
Filing: 1957-11-05
•
Granted: 1961-10-24
•
Expires: 1977-11-05
Abstract
No abstract record available.
Inventors
- 👤 Doyle L Northrup
- 👤 Ernest R Haberland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:39
CPC Classifications
F; F42; F42B; F42B19/00; F42B19/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190126373A
Cited
US1233199A
Cited
US1255034A
Cited
US1429497A
Cited
US1420231A
Cited
GB336368A
Cited
US2300565A
Cited
US2361177A
Cited
US2398432A
Cited
US2409632A
Cited
US2715717A
Cited
US2403535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |