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United States of America Patent

PATENT NO 7281753
APP PUB NO 20070182204A1
SERIAL NO

11342432

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Door assembly includes a doorframe that can be secured to the vehicle, and a preferably rigid door that is movable between an open and closed position. The door can be secured to the vehicle in the open position so that the passengers have the option of riding in the vehicle while the door remains open. A hinge system minimizes the clearance necessary to open and close the door, and provides an optional assist feature that helps urge or bias the door to the open or closed position and maintain it there.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
CURTIS TRACTOR CAB INC111 HIGGINS STREET WORCESTER MA 01606

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Curtis, Jr Fred Princeton, MA 7 102
Orrell, Gary Millbury, MA 8 115

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