Patent US3989264A successfully refreshed from Google Patents.
US3989264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated boat trailers
Assignee: Individual
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Filing: 1975-11-05
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Granted: 1976-11-02
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Expires: 1995-11-05
Abstract
Abstract An articulated boat trailer for transporting small boats to and from launching sites. After the boat is launched, the trailer can be folded up onto the rear of the towing automobile without having to remove it from the hitch. Thus, the towing automobile and trailer, can be parked in a normal parking space.
Inventors
- 👤 Norman H. Lovendahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:28
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
77 words
A boat trailer arrangement, said arrangement comprising trailer bed means, clamp means for clamping a boat to said trailer, wheel means attached to said trailer bed, ball and socket hitch means for hitching said trailer to the rear of a towing automobile, said hitch means including maintaining means for enabling lifting said trailer bed from a horizontal position to a substantially vertical position, while maintaining said trailer hitched to the towing automobile with wheel means still attached.
Claim 2
Dependent Claim
77 words
A boat trailer arrangement, said arrangement comprising trailer bed means, clamp means for clamping a boat to said trailer, wheel means attached to said trailer bed, ball and socket hitch means for hitching said trailer to the rear of a towing automobile, said hitch means including maintaining means for enabling lifting said trailer bed from a horizontal position to a substantially vertical position, while maintaining said trailer hitched to the towing automobile with wheel means still attached.
Claim 3
Dependent Claim
39 words
The boat trailer arrangement of claim 1 wherein said hitch means comprises a socket coupled to said trailer and a ball coupled to said automobile, said maintaining means comprising a cut-out portion at the front end of said socket.
Claim 4
Dependent Claim
74 words
The boat trailer arrangement of claim 1 wherein the bed of the trailer comprises a single longitudinal beam articulated at substantially its midpoint, cross beam means attached to said longitudinal beam at substantially the rear thereof, biased means securing said cross beams to said longitudinal beam, said wheel means comprising a pair of spaced apart oppositely disposed wheels, and means for attaching said pair of wheels to substantially the far end of said trailer.
Claim 5
Dependent Claim
84 words
An improved boat trailer comprising a longitudinal beam, hitch means at the front end of said longitudinal beam, wheel means attached at the rear end of said longitudinal beam, means for articulating said longitudinal beam, said hitch means for attaching said trailer to an automobile comprising a socket for receiving a ball therein, said improvement including a cut-out in said socket for enabling lifting said longitudinal beam from its normally substantially horizontal position to a substantially vertical position, while remaining hitched to said automobile.
Claim 6
Dependent Claim
84 words
An improved boat trailer comprising a longitudinal beam, hitch means at the front end of said longitudinal beam, wheel means attached at the rear end of said longitudinal beam, means for articulating said longitudinal beam, said hitch means for attaching said trailer to an automobile comprising a socket for receiving a ball therein, said improvement including a cut-out in said socket for enabling lifting said longitudinal beam from its normally substantially horizontal position to a substantially vertical position, while remaining hitched to said automobile.
Claim 7
Dependent Claim
93 words
A boat trailer arrangement, said arrangement comprising trailer bed means, clamp means for clamping a boat to said trailer, wheel means attached to said trailer bed, hitch means for hitching said trailer to the rear of a towing automobile, said hitch means comprising a socket coupled to the said trailer and a ball coupled to said automobile, and said socket having a cutout portion at the front end thereof for enabling lifting said trailer bed from a horizontal position to a substantially vertical position while maintaining said trailer hitched to the towing automobile.
Claim 8
Dependent Claim
93 words
A boat trailer arrangement, said arrangement comprising trailer bed means, clamp means for clamping a boat to said trailer, wheel means attached to said trailer bed, hitch means for hitching said trailer to the rear of a towing automobile, said hitch means comprising a socket coupled to the said trailer and a ball coupled to said automobile, and said socket having a cutout portion at the front end thereof for enabling lifting said trailer bed from a horizontal position to a substantially vertical position while maintaining said trailer hitched to the towing automobile.
Claim 9
Dependent Claim
25 words
The boat trailer arrangement of claim 5 wherein the width of this cut-out portion is small enough to prevent said lifted trailer from falling sidewise.
Claim 10
Dependent Claim
17 words
The boat trailer arrangement of claim 5 comprising means for enabling the folding of said trailer bed.
Claim 11
Dependent Claim
57 words
The boat trailer arrangement of claim 7 wherein said means for folding comprises hinge means between a front portion of said trailer and a rear portion of said trailer which enables lifting the front portion of the trailer and having the bottom of the rear portion juxtaposed to the bottom of the front portion of said trailer.
Claim 12
Dependent Claim
18 words
The boat trailer arrangement of claim 8 including means for securing the lifted trailer in its lifted position.
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) | 1979-11-02 | 1980-05-03 | 1980-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-11-02 | 1984-05-03 | 1984-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-11-02 | 1988-05-03 | 1988-11-02 | $7700.00 | Window Closed / Lapsed |