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Patent US4152694A successfully refreshed from Google Patents.
US4152694A
Expired / Lapsed
US
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Guide for aiding in backing-up vehicles
Assignee: Mercedes-Benz AG
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Filing: 1977-11-09
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Granted: 1979-05-01
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Expires: 1997-11-09
Abstract
Abstract The guide for aiding in backing-up vehicles includes an extensible and retractable element preferably provided on the right rear fender portion of the vehicle. When the transmission of the vehicle is placed in reverse, the guide is automatically extended to serve as a visual aid in backing up the vehicle. When the vehicle transmission is placed in any other position, the guide is retracted.
Inventors
- 👤 Perry G. Toles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:11
CPC Classifications
B; B60; B60Q; B60Q9/00; B60Q9/002; B60Q9/003; B60T; B60T2201/00; B60T2201/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
123 words
A guide to aid in backing-up a vehicle when the vehicle transmission is in the reverse position comprising generally vertically extensible and retractable guide structure mounted on the right rear portion of a vehicle, electrical means for extending and retracting said guide structure, said electrical means including switch means, actuating means for said switch means operable to close said switch means automatically when the vehicle transmission is in the reverse position, closure of said switch means operable to cause said electrical means to extend the guide structure, said actuating means operable to open said switch means automatically when the vehicle transmission is not in the reverse position, opening of said switch means operable to cause said electrical means to retract the guide structure.
Claim 2
Dependent Claim
123 words
A guide to aid in backing-up a vehicle when the vehicle transmission is in the reverse position comprising generally vertically extensible and retractable guide structure mounted on the right rear portion of a vehicle, electrical means for extending and retracting said guide structure, said electrical means including switch means, actuating means for said switch means operable to close said switch means automatically when the vehicle transmission is in the reverse position, closure of said switch means operable to cause said electrical means to extend the guide structure, said actuating means operable to open said switch means automatically when the vehicle transmission is not in the reverse position, opening of said switch means operable to cause said electrical means to retract the guide structure.
Claim 3
Dependent Claim
51 words
A guide as defined in claim 1, further characterized in the provision of manually operable switch means connected across said aforementioned switch means, said manually operable switch means, upon being opened or closed, being effective to cause actuation of said electrical means in the same manner as said aforementioned switch means.
Claim 4
Dependent Claim
17 words
A guide as defined in claim 2, wherein said electrical means comprises a reversible D.C. electric motor.
References Cited (Backward Citations)
US3439326A
Cited
US3998285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-30 | 1982-10-30 | 1983-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-30 | 1986-10-30 | 1987-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-30 | 1990-10-30 | 1991-05-01 | $7700.00 | Window Closed / Lapsed |