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

Patent Owner(s)

Patent Owner	Address
AUGUST RUGGEBERG GMBH & CO	HAUPSTRASSE 13 D-51709 MARIENHEIDE
GLASSEIDEN GMBH OSCHATZ	WELLERSWALDER WEG 17 D-04758 OSCHATZ

International Classification(s)

• B24D:TOOLS FOR GRINDING, BUFFING, OR SHARPENING

• 2002 Application Filing Year
• B24D Class
• 123 Applications Filed
• 52 Patents Issued To-Date
• 42.28 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Gross, Gisela	Oschatz, DE	1	7
# of filed Patents : 1 Total Citations : 7
Preissler, Bernd	Oschatz, DE	2	7
# of filed Patents : 2 Total Citations : 7
Stuckenholz, Bernd	Wiehl, DE	7	17
# of filed Patents : 7 Total Citations : 17
Trompelt, Bernd	Crimmitschau, DE	1	7
# of filed Patents : 1 Total Citations : 7

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Patent Citation Ranking

• 4 Citation Count
• B24D Class

• 2.90 % this patent is cited more than
• 21 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
September 07, 2004	US,6786812,B2   US6786812B2	GRANTED PATENT AS SECOND PUBLICATION
December 12, 2002	US,20020187737,A1   US20020187737A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6786812

Supporting disk for a surface grinding wheel and surface grinding wheel

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Abstract

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A supporting disk for a surface grinding wheel comprises a glass-fiber reinforced phenolic resin body which has an upper covering layer of a textile glass fabric or a glass-yarn layer, an intermediate layer of a fiber mat, and a lower covering layer of a textile glass fabric or a glass-yarn layer.

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Description

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Claims

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Legal Events

 

• STCH2008
• FP2008
• LAPS2008
• REMI2008
• I2004
• P2002
• AS2002
• F2002
• PD2001

Date	Code	Event	Description
Oct 06, 2008	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Sep 07, 2008	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Sep 07, 2008
Sep 07, 2008	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Mar 17, 2008	REMI	MAINTENANCE FEE REMINDER MAILED
Sep 07, 2004	I	Issuance
Dec 12, 2002	P	Published
Mar 25, 2002	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:STUCKENHOLZ, BERND;TOMPELT, BERND;PREISSLER, BERND;AND OTHERS;REEL/FRAME:012716/0452;SIGNING DATES FROM 20020130 TO 20020201 Owner name: AUGUST RUGGEBERG GMBH & CO., GERMANY free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:STUCKENHOLZ, BERND;TOMPELT, BERND;PREISSLER, BERND;AND OTHERS;REEL/FRAME:012716/0452;SIGNING DATES FROM 20020130 TO 20020201 Owner name: GLASSEIDEN GMBH OSCHATZ, GERMANY
Feb 12, 2002	F	Filing
Feb 12, 2001	PD	Priority Date