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

Patent Owner(s)

Patent Owner	Address
EDWARD C LEVY CO	8800 DIX AVENUE DETROIT MI 48209

International Classification(s)

• B05D:PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MAT....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Gramke, Mark H	Valparaiso, IN	1	2
# of filed Patents : 1 Total Citations : 2

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Patent Citation Ranking

• 2 Citation Count
• B05D Class

• 2.15 % this patent is cited more than
• 30 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: 5437890

Coatings for receptacles

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Abstract

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The present invention relates to a coating for metallurgical receptacles comprising a slurry of slag fines, lime and water. The coating has proven effective at releasing the skull remaining in metallurgical receptacles after the molten metal has been tapped off and the slag layer has been poured off. The invention also relates to a process for coating metallurgical receptacles with the coating composition of the present invention.

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Description

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Claims

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Legal Events

 

• STCH2018
• FP1999
• LAPS1999
• REMI1999
• CC1996
• I1995
• F1994
• PD1994
• AS1994
• AS1994

Date	Code	Event	Description
Jan 26, 2018	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Aug 01, 1999	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Aug 01, 1999
Aug 01, 1999	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Feb 23, 1999	REMI	MAINTENANCE FEE REMINDER MAILED
May 28, 1996	CC	CERTIFICATE OF CORRECTION
Aug 01, 1995	I	Issuance
Apr 18, 1994	F	Filing
Apr 18, 1994	PD	Priority Date
Apr 05, 1994	AS	ASSIGNMENT	free format text: TO CORRECT AN ASSIGNMENT PREVIOUSLY RECORDED AT REEL 6971 FRAME 227.;ASSIGNOR:GRAMKE, MARK HAROLD;REEL/FRAME:007124/0259 Owner name: EDWARD C. LEVY CO., MICHIGAN Effective Date: Apr 05, 1994
Apr 05, 1994	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GRAMKE, MARK H.;REEL/FRAME:006971/0227 Owner name: EDWARD C. LEVY CO., MICHIGAN Effective Date: Apr 05, 1994