US3371642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trim control device for boats
Assignee: Individual
•
Filing: 1965-10-15
•
Granted: 1968-03-05
•
Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 William M Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:00
CPC Classifications
B; B63; B63B; B63B39/00; B63B39/06; B63B39/061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN AN APPARATUS FOR STABILIZING A BOAT HAVING A HULL WHICH TERMINATES AT ITS STERN END IN AN UPWARDLY EXTENDING TRANSOM SECTION, A PAIR OF FLAT RECTANGULAR SHAPED TRIM TAB ELEMENTS CONSTRUCTED OF A RELATIVELY FLEXIBLE MATERIAL AND HAVING A FIRST PORTION SECURED TO THE UNDERSIDE OF THE HULL AT THE OPPOSITE ENDS OF THE TRANSOM SECTION AND A SECOND PORTION EXTENDING REARWARDLY OF THE TRANSOM SECTION AND DISPOSED IN SUBSTANTIALLY COPLANAR RELATION WITH THE UNDERSIDE OF THE HULL, A PAIR OF ACTUATING MOTORS MOUNTED ON SAID TRANSOM SECTION, A PAIR OF SHAFTS ALIGNED WITH SAID TRIM TAB ELEMENTS AND EXTENDING THROUGH LATERALLY SPACED OPENINGS IN SAID TRANSOM SECTION, DRIVE MEANS CONNECTED TO SAID MOTORS AND ADAPTED TO MOVE SAID SHAFTS ALONG THE LONGITUDINAL AXES THEREOF, AND
Claim 2
Dependent Claim
127 words
IN AN APPARATUS FOR STABILIZING A BOAT HAVING A HULL WHICH TERMINATES AT ITS STERN END IN AN UPWARDLY EXTENDING TRANSOM SECTION, A PAIR OF FLAT RECTANGULAR SHAPED TRIM TAB ELEMENTS CONSTRUCTED OF A RELATIVELY FLEXIBLE MATERIAL AND HAVING A FIRST PORTION SECURED TO THE UNDERSIDE OF THE HULL AT THE OPPOSITE ENDS OF THE TRANSOM SECTION AND A SECOND PORTION EXTENDING REARWARDLY OF THE TRANSOM SECTION AND DISPOSED IN SUBSTANTIALLY COPLANAR RELATION WITH THE UNDERSIDE OF THE HULL, A PAIR OF ACTUATING MOTORS MOUNTED ON SAID TRANSOM SECTION, A PAIR OF SHAFTS ALIGNED WITH SAID TRIM TAB ELEMENTS AND EXTENDING THROUGH LATERALLY SPACED OPENINGS IN SAID TRANSOM SECTION, DRIVE MEANS CONNECTED TO SAID MOTORS AND ADAPTED TO MOVE SAID SHAFTS ALONG THE LONGITUDINAL AXES THEREOF, AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |