Construction machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9428882
APP PUB NO 20150176245A1
SERIAL NO

14560008

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Importance

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Abstract

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Provided is a construction machine having a central foothold and a maintenance access passage with high safety. The construction machine includes an upper slewing body including: an upper frame, an engine compartment, a cabin on a right or left region of the upper frame, a central foothold immediately forward of the engine compartment and on a central region of the upper frame widthwise of the upper frame, and a maintenance access passage extending rearward while elevated to guide a worker from the ground forward of the upper frame to the central foothold on a side opposite to the cabin. Widthwise of the upper frame, an inward edge of an upper end portion of the maintenance access passage is located inward of one edge of the central foothold, to thereby form a transit zone between the maintenance access passage and the central foothold.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
KOBELCO CONSTRUCTION MACHINERY CO LTD2-1 ITSUKAICHIKOU 2-CHOME SAEKI-KU HIROSHIMA HIROSHIMA-SHI 731-5161

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murakami, Masaaki Hiroshima, JP 45 694
Noda, Tsuyoshi Hiroshima, JP 14 111
Tsukamoto, Hironori Hiroshima, JP 74 788

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Maintenance Fees

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 29, 2028
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Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00