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

Patent Owner(s)

Patent Owner	Address
CARL R MARSCHKE	N9955 MEMORY LANE PHILLIPS WI 54555

International Classification(s)

• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hladilek, Michael B	Phillips, US	4	5
# of filed Patents : 4 Total Citations : 5
Marschke, Carl R	Phillips, US	81	857
# of filed Patents : 81 Total Citations : 857

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• 0 Citation Count
• B32B Class

• 0 % this patent is cited more than
• 14 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 16, 2011	US,7998300,B2   US7998300B2	GRANTED PATENT AS SECOND PUBLICATION
March 17, 2011	US,20110061791,A1   US20110061791A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7998300

Apparatus and method for producing waterproof structural corrugated paperboard

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Abstract

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Two paper webs, saturated with a B-phase phenolic resin and dried, are conveyed through separate low melting point metal alloy baths, one web after being corrugated, to convert the resin to a fully cured phase, whereafter the webs are joined to form a structurally rigid waterproof single face corrugated web.

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Description

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Claims

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Legal Events

 

• STCH2015
• FP2015
• LAPS2015
• REMI2015
• I2011
• P2011
• F2009
• PD2009
• AS2009

Date	Code	Event	Description
Sep 14, 2015	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Aug 16, 2015	FP	EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Aug 16, 2015
Aug 16, 2015	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Mar 27, 2015	REMI	MAINTENANCE FEE REMINDER MAILED
Aug 16, 2011	I	Issuance
Mar 17, 2011	P	Published
Sep 14, 2009	F	Filing
Sep 14, 2009	PD	Priority Date
Sep 10, 2009	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HLADILEK, MICHAEL B.;REEL/FRAME:023225/0755 Owner name: CARL R. MARSCHKE, WISCONSIN Effective Date: Sep 10, 2009