Patent US4741111A successfully refreshed from Google Patents.
US4741111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recreational vehicle hook-up aid
Assignee: Individual
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Filing: 1987-08-27
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Granted: 1988-05-03
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Expires: 2007-08-27
Abstract
Abstract A target and aiming method with apparatus for accurately lining up a towing vehicle to a tow-type recreational vehicle or trailer for easy hook-up. Attachable components for accurate alignment of the trailer tongue to the towing vehicle hitch ball through use of a pointer and a target strip on the rear window of the towing vehicle is detailed in the specification and illustrated in the drawings.
Inventors
- 👤 George D. Emerick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:15
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/50; B60D; B60D1/00; B60D1/24; B60D1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
Apparatus for a recreational vehicle hook-up aid comprising: an assemblage of fitted plastic pipes of the PVC designation or similar with attaching and guiding fixtures including: a T-joint mounting bracket with the T top member half rounded longitudinally for vertical mounting to the jack shaft of a trailer hitch and the leg member tubular for horizontal attachment to a continuing connector; a short plastic pipe connector sized to interfit said leg member as a horizontal connector to a plastic ninety degree elbow sized to accept said horizontal connector and vertically attach to a short vertically positioned pipe connector having a single longitudinal alignment stripe in the outer surface adjacent an upwardly end to match a similar alignment strip in the downwardly end of a vertical plastic pipe extension of sufficient length to position a ninety degree reduction elbow, a horizontally aligned reduction fitting, and a horizontal pointer formed of a removable length of plastic pipe aligned centrally with the rear window of a motor vehicle, there being a peel-off backed target strip as a part hereof for attachment inside said motor vehicle said rear window; a set of two hose-clamp type adjustable mounting brackets sized to said top T member half and to said jack shaft.
Claim 2
Dependent Claim
206 words
Apparatus for a recreational vehicle hook-up aid comprising: an assemblage of fitted plastic pipes of the PVC designation or similar with attaching and guiding fixtures including: a T-joint mounting bracket with the T top member half rounded longitudinally for vertical mounting to the jack shaft of a trailer hitch and the leg member tubular for horizontal attachment to a continuing connector; a short plastic pipe connector sized to interfit said leg member as a horizontal connector to a plastic ninety degree elbow sized to accept said horizontal connector and vertically attach to a short vertically positioned pipe connector having a single longitudinal alignment stripe in the outer surface adjacent an upwardly end to match a similar alignment strip in the downwardly end of a vertical plastic pipe extension of sufficient length to position a ninety degree reduction elbow, a horizontally aligned reduction fitting, and a horizontal pointer formed of a removable length of plastic pipe aligned centrally with the rear window of a motor vehicle, there being a peel-off backed target strip as a part hereof for attachment inside said motor vehicle said rear window; a set of two hose-clamp type adjustable mounting brackets sized to said top T member half and to said jack shaft.
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) | 1991-05-03 | 1991-11-02 | 1992-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-03 | 1995-11-02 | 1996-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-03 | 1999-11-02 | 2000-05-03 | $7700.00 | Window Closed / Lapsed |