US3075490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting means for boat propulsion
Assignee: Individual
•
Filing: 1959-11-19
•
Granted: 1963-01-29
•
Expires: 1979-11-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:04
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/10; B63B; B63B1/00; B63B1/16; B63B1/24; B63H20/02; B63H20/06; B63H21/00; B63H21/30; B63H21/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
MOUNTING MEANS FOR A BOAT PROPULSION MECHANISM HAVING A ROTARY PROPELLER, COMPRISING: MEANS DEFINING A TRANSVERSE, GENERALLY HORIZONTAL AXIS ON A BOAT TRANSOM ADJACENT THE BOTTOM THEREOF; A BRACKET PIVOTALLY MOUNTED ON SAID TRANSOM ABOUT SAID AXIS, SAID BRACKET EXTENDING REARWARDLY AND GENERALLY HORIZONTALLY FROM SAID AXIS AND HAVING A MOUNTING PORTION THEREON ADJACENT THE REAR END THEREOF; PROPULSION MEANS HAVING A PROPELLER MOUNTED ON SAID MOUNTING PORTION TO ROTATE ON A FOREAND-AFT AXIS PASSING BELOW SAID TRANSVERSE AXIS; THE HORIZONTAL DISTANCE FROM SAID TRANSVERSE AXIS TO SAID PROPELLER BEING AT LEAST ABOUT EQUAL TO THE VERTICAL DISTANCE BETWEEN SAID TRANSVERSE AXIS AND SAID FORE-AND-AFT AXIS WHEREBY SAID PROPELLER MOVES GENERALLY VRITICALLY DOWNWARDLY AS SAID BRACKET PIVOTS ABOUT SAID TRANSVERSE AXIS IN RESPONSE TO FORWARD THRUST OF SAID PROPELLER.
Claim 2
Dependent Claim
129 words
MOUNTING MEANS FOR A BOAT PROPULSION MECHANISM HAVING A ROTARY PROPELLER, COMPRISING: MEANS DEFINING A TRANSVERSE, GENERALLY HORIZONTAL AXIS ON A BOAT TRANSOM ADJACENT THE BOTTOM THEREOF; A BRACKET PIVOTALLY MOUNTED ON SAID TRANSOM ABOUT SAID AXIS, SAID BRACKET EXTENDING REARWARDLY AND GENERALLY HORIZONTALLY FROM SAID AXIS AND HAVING A MOUNTING PORTION THEREON ADJACENT THE REAR END THEREOF; PROPULSION MEANS HAVING A PROPELLER MOUNTED ON SAID MOUNTING PORTION TO ROTATE ON A FOREAND-AFT AXIS PASSING BELOW SAID TRANSVERSE AXIS; THE HORIZONTAL DISTANCE FROM SAID TRANSVERSE AXIS TO SAID PROPELLER BEING AT LEAST ABOUT EQUAL TO THE VERTICAL DISTANCE BETWEEN SAID TRANSVERSE AXIS AND SAID FORE-AND-AFT AXIS WHEREBY SAID PROPELLER MOVES GENERALLY VRITICALLY DOWNWARDLY AS SAID BRACKET PIVOTS ABOUT SAID TRANSVERSE AXIS IN RESPONSE TO FORWARD THRUST OF SAID PROPELLER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |