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

Patent Owner(s)

Patent Owner	Address
THYSSEN KRUPP STAHL AG	40211 DÜSSELDORF

International Classification(s)

• B21B:ROLLING OF METAL

• 2001 Application Filing Year
• B21B Class
• 138 Applications Filed
• 60 Patents Issued To-Date
• 43.48 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Behr, Friedrich	Krefeld, DE	21	188
# of filed Patents : 21 Total Citations : 188
Kawalla, Rudolf	Bottrop, DE	19	144
# of filed Patents : 19 Total Citations : 144
Schmitz, Hans-Peter	Essen, DE	26	264
# of filed Patents : 26 Total Citations : 264

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Patent Citation Ranking

• 9 Citation Count
• B21B Class

• 8.57 % this patent is cited more than
• 22 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: 6085816

Tire chain for dual wheel tires

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Abstract

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A cable-type tire chain for the tires of dual wheels comprises a pair of side members and a plurality of cross members extending between and connected to the side members and supporting traction elements. The tire chain includes a center member that extends circumferentially over the cross members of the installed tire chain and that draws center portions of the cross members into the space between the tires. The center member comprises a core surrounded by a helical spring. The core includes a cable wrapped helically with wire, and the inner diameter of the spring is greater than the outer diameter of the core so that the spring can move on the core.

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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
• AS2012
• P2011
• F2010
• PD2009

Date	Code	Event	Description
Nov 13, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 12TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2553); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 12
Sep 22, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2552); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 8
Nov 02, 2016	FPAY	FEE PAYMENT	year of fee payment: 4
Aug 27, 2013	I	Issuance
Aug 07, 2013	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
May 11, 2012	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KOOIMA, ROGER;REEL/FRAME:030690/0143 Owner name: SCHORN, THOMAS, SOUTH DAKOTA Effective Date: May 11, 2012
Mar 17, 2011	P	Published
Nov 17, 2010	F	Filing
Feb 17, 2009	PD	Priority Date