Patent DE835405C successfully refreshed from Google Patents.
US3122245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat trailer
Assignee: Bridgestone Firestone Inc
•
Filing: 1961-01-03
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Granted: 1964-02-25
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Meredith H Mackusick
- 👤 Daniel W Voorhees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:11
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A BOAT TRAILER COMPRISING, A FRAME HAVING LONGITUDINAL SIDE MEMBERS AND LATERAL STIFFENING MEMBERS EXTENDING BETWEEN SAID SIDE MEMBERS, A RUNNING GEAR ASSEMBLY DEPENDING BENEATH SAID FRAME, A TIPPER BOOM ALIGNED WITH THE LONGITUDINAL AXIS OF SAID TRAILER AND PIVOTALLY MOUNTED BETWEEN THE FRONT ENDS OF SAID SIDE MEMBERS, SAID TIPPER BOOM BEING SELECTIVELY POSITIONABLE COPLANAR WITH SAID FRAME, MEANS FOR COOPERATIVELY ENGAGING SAID TIPPER BOOM SELECTIVELY TO MAINTAIN SAID COPLANAR POSITION, A PICKUP ROLLER ON THE REAR PORTION OF SAID TIPPER BOOM, TOW VEHICLE COUPLING MEANS ON THE FRONT END OF SAID TIPPER BOOM, A PLURALITY OF TRANSVERSE ANTI-FRICTION KEEL ENGAGING MEANS SPACED ALONG THE LONGITUDINAL AXIS OF SAID TRAILER AND BETWEEN ITS ENDS, LATERALLY SPACED BOAT-SUPPORTING CRADLE PADS, ANTI-FRICTION KEEL ENGAGING MEANS AT THE REAR OF SAID FRAME, AND MEANS SELECTIVELY TO CHANGE THE RELATIVE ELEVATION OF SAID REAR KEEL ENGAGING MEANS WITH RESPECT TO SAID PADS.
Claim 2
Dependent Claim
149 words
A BOAT TRAILER COMPRISING, A FRAME HAVING LONGITUDINAL SIDE MEMBERS AND LATERAL STIFFENING MEMBERS EXTENDING BETWEEN SAID SIDE MEMBERS, A RUNNING GEAR ASSEMBLY DEPENDING BENEATH SAID FRAME, A TIPPER BOOM ALIGNED WITH THE LONGITUDINAL AXIS OF SAID TRAILER AND PIVOTALLY MOUNTED BETWEEN THE FRONT ENDS OF SAID SIDE MEMBERS, SAID TIPPER BOOM BEING SELECTIVELY POSITIONABLE COPLANAR WITH SAID FRAME, MEANS FOR COOPERATIVELY ENGAGING SAID TIPPER BOOM SELECTIVELY TO MAINTAIN SAID COPLANAR POSITION, A PICKUP ROLLER ON THE REAR PORTION OF SAID TIPPER BOOM, TOW VEHICLE COUPLING MEANS ON THE FRONT END OF SAID TIPPER BOOM, A PLURALITY OF TRANSVERSE ANTI-FRICTION KEEL ENGAGING MEANS SPACED ALONG THE LONGITUDINAL AXIS OF SAID TRAILER AND BETWEEN ITS ENDS, LATERALLY SPACED BOAT-SUPPORTING CRADLE PADS, ANTI-FRICTION KEEL ENGAGING MEANS AT THE REAR OF SAID FRAME, AND MEANS SELECTIVELY TO CHANGE THE RELATIVE ELEVATION OF SAID REAR KEEL ENGAGING MEANS WITH RESPECT TO SAID PADS.
References Cited (Backward Citations)
US2623733A
Cited
US2746622A
Cited
US2805786A
Cited
US2865522A
Cited
US2788146A
Cited
US2887238A
Cited
US2789713A
Cited
US2907484A
Cited
US2975916A
Cited
US2960246A
Cited
US3077276A
Cited
US3069038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |