Patent US2949791A successfully refreshed from Google Patents.
US2949791A
Expired / Lapsed
US
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Motion transmitting device for marine propellers having their thrust axis vertically movable
Assignee: Individual
•
Filing: 1956-12-14
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Granted: 1960-08-23
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Expires: 1976-12-14
Abstract
No abstract record available.
Inventors
- 👤 Cattaneo Giustino
- 👤 Cattaneo Guido
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:01
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/10; B63H20/14; B63H20/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19502; Y10T74/19521
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1356231A
Cited
US2050497A
Cited
US2114633A
Cited
US2737920A
Cited
US2755766A
Cited
US2752875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |