US3150631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demountable stern drive assembly
Assignee: Individual
•
Filing: 1962-08-16
•
Granted: 1964-09-29
•
Expires: 1982-08-16
Abstract
No abstract record available.
Inventors
- 👤 Russell I Tillman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:28
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/001; B63H20/002; B63H20/08; B63H20/10; B63H20/14; B63H20/20; B63H20/32; B63H20/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN OUTDRIVE UNIT COMPRISING A RIGID GEAR TRAIN HOUSING WITH A FORWARDLY DIRECTED NACELLE AT THE LOWER END OF SAID HOUSING AND INTEGRAL THEREWITH, A GEAR TRAIN INCLUDING A VERTICAL DRIVE SHAFT JOURNALED IN SAID HOUSING AND A HORIZONTAL PROPELLER SHAFT JOURNALED IN SAID NACELLE ENTIRELY FORWARDLY OF SAID VERTICAL DRIVE SHAFT, A FORWARDLY DIRECTED PROPELLER ARRANGED FORWARDLY OF SAID NACELLE AT THE FORWARD END OF SAID PROPELLER SHAFT, AND A NONCOUNTERBALANCED RUDDER JOURNALED AT THE REAR EDGE OF SAID HOUSING REARWARDLY OF SAID PROPELLER AND NACELLE, THE HOUSING REAR EDGE BEING ESSENTIALLY VERTICAL THROUGHOUT AND OF LATERALLY CONCAVE FORM FORWARDLY OF THE RUDDER, AND THE FORWARD EDGE OF SAID RUDDER BEING OF LATERALLY ROUNDED FORM AND NESTED INTO SAID ESSENTIALLY VERTICAL HOUSING REAR EDGE.
Claim 2
Dependent Claim
125 words
AN OUTDRIVE UNIT COMPRISING A RIGID GEAR TRAIN HOUSING WITH A FORWARDLY DIRECTED NACELLE AT THE LOWER END OF SAID HOUSING AND INTEGRAL THEREWITH, A GEAR TRAIN INCLUDING A VERTICAL DRIVE SHAFT JOURNALED IN SAID HOUSING AND A HORIZONTAL PROPELLER SHAFT JOURNALED IN SAID NACELLE ENTIRELY FORWARDLY OF SAID VERTICAL DRIVE SHAFT, A FORWARDLY DIRECTED PROPELLER ARRANGED FORWARDLY OF SAID NACELLE AT THE FORWARD END OF SAID PROPELLER SHAFT, AND A NONCOUNTERBALANCED RUDDER JOURNALED AT THE REAR EDGE OF SAID HOUSING REARWARDLY OF SAID PROPELLER AND NACELLE, THE HOUSING REAR EDGE BEING ESSENTIALLY VERTICAL THROUGHOUT AND OF LATERALLY CONCAVE FORM FORWARDLY OF THE RUDDER, AND THE FORWARD EDGE OF SAID RUDDER BEING OF LATERALLY ROUNDED FORM AND NESTED INTO SAID ESSENTIALLY VERTICAL HOUSING REAR EDGE.
References Cited (Backward Citations)
US471202A
Cited
NL22691C
Cited
CA448067A
Cited
CA561879A
Cited
US1990387A
Cited
US2345689A
Cited
FR890890A
Cited
US2545502A
Cited
US2979019A
Cited
US3088430A
Cited
US3057320A
Cited
US3051119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |