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

Patent Owner(s)

Patent Owner	Address
HOSKINS ALLOYS L L C	31731 NORTHWESTERNN HWY SUITE 250W FARMINGTON HILLS MI 48334

International Classification(s)

• H01B:CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATER....
• H01T:SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS....

• 1995 Application Filing Year
• H01B Class
• 294 Applications Filed
• 126 Patents Issued To-Date
• 42.86 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brackman, Phillip D	Whitmore Lake, MI	1	20
# of filed Patents : 1 Total Citations : 20
Hall, Jr Bertie Forrest	Ann Arbor, MI	6	37
# of filed Patents : 6 Total Citations : 37

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Patent Citation Ranking

• 20 Citation Count
• H01B Class

• 63.38 % this patent is cited more than
• 28 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: 5675209

Electrode material for a spark plug

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Abstract

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An electrode material for a spark plug 10 for use in an internal combustion engine. The electrode material includes a core 20 having a high thermal conductivity for reducing the temperature of the spark plug 10 by thermally conducting heat away from the spark plug gap to a cooler part of the engine. The core 20 extends continuously from an arcing surface at an end of a spark plug electrode to the cooler part of the engine. Surrounding the core 20 is a cladding layer 22 for resisting corrosion when exposed to high temperatures caused by arcing.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2005
• FP2005
• LAPS2005
• REMI2005
• AS2003
• AS2001
• FPAY2001
• SULP2001
• REMI2001
• CC1999
• I1997
• F1995
• PD1995
• AS1995

Date	Code	Event	Description
Nov 09, 2005	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Oct 07, 2005	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Oct 07, 2005
Oct 07, 2005	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Apr 27, 2005	REMI	MAINTENANCE FEE REMINDER MAILED
Feb 28, 2003	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:CONCEPT ALLOYS, L.L.C.;REEL/FRAME:015642/0864 Owner name: HOSKINS ALLOYS, L.L.C., MICHIGAN Effective Date: Feb 28, 2003
Dec 18, 2001	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HOSKINS MANUFACTURING COMPANY;REEL/FRAME:012513/0090 Owner name: CONCEPT ALLOYS, L.L.C., MICHIGAN Effective Date: Dec 18, 2001
Aug 23, 2001	FPAY	FEE PAYMENT	year of fee payment: 4
Aug 23, 2001	SULP	SURCHARGE FOR LATE PAYMENT
May 01, 2001	REMI	MAINTENANCE FEE REMINDER MAILED
Mar 30, 1999	CC	CERTIFICATE OF CORRECTION
Oct 07, 1997	I	Issuance
Jun 19, 1995	F	Filing
Jun 19, 1995	PD	Priority Date
Jun 06, 1995	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HALL, BERTIE FORREST, JR.;BRACKMAN, PHILLIP D.;REEL/FRAME:007569/0805 Owner name: HOSKINS MANUFACTURING COMPANY, MICHIGAN Effective Date: Jun 06, 1995