Family

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

Patent Owner(s)

Patent Owner	Address
SEKISUI CHEMICAL CO LTD	OSAKA-SHI OSAKA 530-8565
TOKUYAMA SEKISUI CO LTD	4-4 NISHITEMMA 2-CHOME KITA-KU OSAKA-SHI OSAKA 5300047

International Classification(s)

• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....

• 2006 Application Filing Year
• C08G Class
• 1309 Applications Filed
• 707 Patents Issued To-Date
• 54.02 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Harada, Masatoshi	Shunan-shi, JP	16	95
# of filed Patents : 16 Total Citations : 95
Sanni, Toshifumi	Shunan-shi, JP	3	36
# of filed Patents : 3 Total Citations : 36
Tanaka, Hideaki	Shunan-shi, JP	476	5500
# of filed Patents : 476 Total Citations : 5500

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Patent Citation Ranking

• 12 Citation Count
• C08G Class

• 71.62 % this patent is cited more than
• 15 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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

Full Text

US Patent No: D999569

Mattress cover

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Abstract

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Description

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Legal Events

 

• I2023
• F2021
• FEPP2021

Date	Code	Event	Description
Sep 26, 2023	I	Issuance
Apr 20, 2021	F	Filing
Apr 20, 2021	FEPP	FEE PAYMENT PROCEDURE	free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY