US2946306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tiltable and steerable marine propeller unit
Assignee: Individual
•
Filing: 1958-01-20
•
Granted: 1960-07-26
•
Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Leipert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:43
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/14; B63H20/22; B63H20/08; B63H20/10; B63H20/12; B63H5/00; B63H5/07; B63H5/125; B63H2005/1254; B63H2005/1256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US65740A
Cited
US695717A
Cited
US969084A
Cited
US1824213A
Cited
US1899490A
Cited
US1980685A
Cited
US2091247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |