Patent US2144028A successfully refreshed from Google Patents.
US3124259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
goettl
Assignee: —
•
Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:51
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A FLOATING BOAT TRAILER THE COMBINATION OF: A TRAILER; BUOYANT MEANS THEREOF CAUSING SAID TRAILER TO FLOAT IN WATER; FIRST MEANS FOR SUPPORTING A BOAT ON SAID TRAILER; AND SECOND MEANS MOUNTED ON SAID TRAILER FOR ELEVATING A BOAT THEREON, SAID MEANS FOR SUPPORTING A BOAT COMPRISING HULL ENGAGING ROLLERS; SAID SECOND MEANS OPERABLE TO RAISE A BOAT TO A POSITION ABOVE THE UPPER SURFACE OF SAID ROLLERS, SAID SECOND MEANS COMPRISING MANUALLY OPERABLE LEVERS PIVOTED TO SAID FRAME AND EXTENDING UPWARDLY AT OPPOSITE SIDES THEREOF, SAID LEVERS DISPOSED TO PIVOT OUTWARDLY IN OPPOSITE DIRECTIONS AWAY FROM THE CENTER OF SAID FRAME; AND HULL ENGAGING SUPPORTS MOVABLY CONNECTED WITH SAID LEVER AND MOVABLE LATERALLY IN A SUBSTANTIALLY HORIZONTAL PLANE BY SAID LEVERS AND DISPOSED TO ELEVATE THE HULL OF A BOAT RELATIVE TO SAID FRAME.
Claim 2
Dependent Claim
136 words
IN A FLOATING BOAT TRAILER THE COMBINATION OF: A TRAILER; BUOYANT MEANS THEREOF CAUSING SAID TRAILER TO FLOAT IN WATER; FIRST MEANS FOR SUPPORTING A BOAT ON SAID TRAILER; AND SECOND MEANS MOUNTED ON SAID TRAILER FOR ELEVATING A BOAT THEREON, SAID MEANS FOR SUPPORTING A BOAT COMPRISING HULL ENGAGING ROLLERS; SAID SECOND MEANS OPERABLE TO RAISE A BOAT TO A POSITION ABOVE THE UPPER SURFACE OF SAID ROLLERS, SAID SECOND MEANS COMPRISING MANUALLY OPERABLE LEVERS PIVOTED TO SAID FRAME AND EXTENDING UPWARDLY AT OPPOSITE SIDES THEREOF, SAID LEVERS DISPOSED TO PIVOT OUTWARDLY IN OPPOSITE DIRECTIONS AWAY FROM THE CENTER OF SAID FRAME; AND HULL ENGAGING SUPPORTS MOVABLY CONNECTED WITH SAID LEVER AND MOVABLE LATERALLY IN A SUBSTANTIALLY HORIZONTAL PLANE BY SAID LEVERS AND DISPOSED TO ELEVATE THE HULL OF A BOAT RELATIVE TO SAID FRAME.
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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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |