Muffler

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11680502
APP PUB NO 20210246818A1
SERIAL NO

17168341

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A muffler includes an exhaust pipe, a shell, and a cover. The exhaust pipe includes communication holes and is configured to allow an exhaust gas to flow through an interior of the exhaust pipe. The shell is disposed outside the communication holes to cover the communication holes. The cover has a tubular shape. The cover is disposed between the exhaust pipe and the shell. The cover is disposed at a distance, which is specified in advance, from the exhaust pipe.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddress
FUTABA INDUSTRIAL CO LTD1 AZA-OCHAYA HASHIME-CHO OKAZAKI-SHI AICHI 444-8558

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kondo, Seiji Okazaki, JP 93 709

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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 Dec 20, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 20, 2030
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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