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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
HUSQVARNA ZENOAH CO LTD	KAWAGOE-SHI SAITAMA 350-1165

International Classification(s)

• F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....

• 2008 Application Filing Year
• F02B Class
• 770 Applications Filed
• 483 Patents Issued To-Date
• 62.73 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Noda, Hiroyuki	Kawagoe, JP	113	1002
# of filed Patents : 113 Total Citations : 1002
Ogura, Nobuo	Kawagoe, JP	15	109
# of filed Patents : 15 Total Citations : 109

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Patent Citation Ranking

• 1 Citation Count
• F02B Class

• 6.92 % this patent is cited more than
• 12 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 11, 2024

Fee	Large entity fee	small entity fee	micro entity fee
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 11, 2013	US,8459217,B2   US8459217B2	GRANTED PATENT AS SECOND PUBLICATION
November 18, 2010	US,20100288251,A1   US20100288251A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8459217

Scavenging cover and two-cycle engine

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Abstract

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Since a throttle hole for narrowing a scavenging passage is provided on a partition for closing the scavenging passage, the throttle hole of a desired size can be drilled at a desired location on the partition after preparing the scavenging cover having no throttle hole on the partition. Accordingly, the size and location of the throttle hole can be easily changed in conducting a test for finding the most appropriate size and location of the throttle hole, so that the most appropriate size and location of the throttle hole can be easily found.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2024
• MAFP2020
• FPAY2016
• I2013
• STCF2013
• P2010
• AS2010
• F2008
• PD2007

Date	Code	Event	Description
Nov 25, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12
Sep 10, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Nov 03, 2016	FPAY	FEE PAYMENT	year of fee payment: 4
Jun 11, 2013	I	Issuance
May 22, 2013	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Nov 18, 2010	P	Published
Jun 10, 2010	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:OGURA, NOBUO;NODA, HIROYUKI;SIGNING DATES FROM 20100413 TO 20100414;REEL/FRAME:024517/0171 Owner name: HUSQVARNA ZENOAH CO., LTD., JAPAN
Dec 11, 2008	F	Filing
Dec 14, 2007	PD	Priority Date