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United States of America Patent

PATENT NO 8839475
APP PUB NO 20130047352A1
SERIAL NO

13635261

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A mobile access unit for allowing passengers to embark or disembark from a craft, such as an aircraft, the unit comprising:

    a first moveable ramp section, extending from an entry/exit end, which allows access to the loading door of the craft, to a hinged end, wherein the entry/exit end can rotate about the hinged end, between a raised position and a lowered position;a second moveable ramp section, extending from a hinged end to a ground entry/exit end, which allows access to the ground, wherein the ground entry/exit end can rotate about the hinged end, between a raised position and a lowered position; anda non-linear middle ramp section, extending from a first linking end, which links with the hinged end of the first moveable ramp section, to a second linking end, which links with the hinged end of the second moveable ramp section;wherein the first moveable ramp section, middle ramp section and second moveable ramp section can together form a continuous non-linear ramp that can extend from the craft loading door to the ground, wherein the continuous non-linear ramp includes two or more turns and wherein the sum of the angles turned by the continuous non-linear ramp over its length is 360 degrees or more.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GRAHAM CORFIELDSHROPSHIRE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Corfield, Graham Shropshire, GB 1 8

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Maintenance Fees

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 23, 2026
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Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00