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US4071260A Expired / Lapsed US ⏱️ 0.0 years remaining

Easy cab entry and exit

Assignee: Individual
•
Filing: 1976-10-05
•
Granted: 1978-01-31
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Expires: 1996-10-05
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Abstract

Abstract A footstep carried by a cab of a large automotive truck so that a driver of the vehicle can more easily step up or step down between the cab and ground; the footstep being vertically movable so to minimize a stepping distance; the device including a hydraulic or pneumatic powered cylinder having a slidable piston to which the footstep is rigidly secured.

Inventors

  • 👤 James A. Marshall, Sr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:31
CPC Classifications
B; B60; B60R; B60R3/00; B60R3/02

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 108 words
An easy cab entry and exit device comprising in combination, a cab for an automotive truck, and an accessory mounted outside said cab said accessory including a stationary cylinder, a vertically slidable piston inside said cylinder, a piston rod out of a lower end of said cylinder being affixed to a foot plate, power means for moving said piston including a pump driven by an electric motor in circuit with a battery of said truck and a switch unit inside said cab, wherein a rod parallel to said piston rod is affixed to said foot step, said rod being slidable in a pipe stationarily positioned alongside said cylinder.
Claim 2
Dependent Claim 108 words
An easy cab entry and exit device comprising in combination, a cab for an automotive truck, and an accessory mounted outside said cab said accessory including a stationary cylinder, a vertically slidable piston inside said cylinder, a piston rod out of a lower end of said cylinder being affixed to a foot plate, power means for moving said piston including a pump driven by an electric motor in circuit with a battery of said truck and a switch unit inside said cab, wherein a rod parallel to said piston rod is affixed to said foot step, said rod being slidable in a pipe stationarily positioned alongside said cylinder.
Claim 3
Dependent Claim 31 words
The combination as set forth in claim 1 wherein said foot plate is movable between a position close to a ground and a position close to a doorway of said cab.

References Cited (Backward Citations)

US3520426A Cited
US3951431A Cited
US3986724A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-01-30 1981-08-01 1982-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-01-30 1985-08-01 1986-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-01-30 1989-08-01 1990-01-31 $7700.00 Window Closed / Lapsed

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