Construction machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12090812
APP PUB NO 20220144040A1
SERIAL NO

17434989

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a construction machine with which it is possible to shorten a duct for an air conditioning device disposed in a driver's cab, and to secure space for disposing a hydraulic hose, a control valve and the like under the floor of the driver's cab. A hydraulic excavator is provided with a cabin covering an maneuvering unit, a turning frame on which the cabin is mounted, and an air conditioning device for air conditioning the inside of the cabin, wherein: the turning frame includes a cabin installation portion in which the cabin 6 is installed; the cabin installation portion 7a includes a box-shaped right frame having a first opening portion and a second opening portion that communicate with one another; and an air conditioned air discharge opening of the air conditioning device communicates with the first opening portion.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddress
YANMAR POWER TECHNOLOGY CO LTD1-32 CHAYAMACHI KITA-KU OSAKA 5308311

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishikawa, Yoshihisa Chikugo, JP 47 501

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Mar 17, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 17, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 17, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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