Patent US4071260A successfully refreshed from Google Patents.
US4071260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy cab entry and exit
Assignee: Individual
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Filing: 1976-10-05
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Granted: 1978-01-31
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Expires: 1996-10-05
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 07:43
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)
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 |