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

Patent Owner(s)

Patent Owner	Address
LEONHARD KURZ GMBH & CO	SCHWABACHER STRASSE 482 DE-90763 FURTH

International Classification(s)

• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
• G03H:HOLOGRAPHIC PROCESSES OR APPARATUS

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Wilhelm, Stork	Karlsruhe, DE	1	3
# of filed Patents : 1 Total Citations : 3

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Patent Citation Ranking

• 3 Citation Count
• G02B Class

• 1.77 % this patent is cited more than
• 24 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: 6243202

Structure arrangement, in particular for a security element

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Abstract

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A structural arrangement having optical diffraction qualities for use as a security element in a value bearing document, such structural arrangement having a plurality of surface regions having at least two subregions having identical relief structures which provide for an optical diffraction effect, the relief structures of adjacent subregions being displaced relative to each other by a fraction of the grating period.

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Description

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Claims

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Legal Events

 

• FPAY2012
• FPAY2008
• FPAY2004
• FEPP2003
• I2001
• STCF2001
• F1997
• AS1997
• PD1994

Date	Code	Event	Description
Nov 28, 2012	FPAY	FEE PAYMENT	year of fee payment: 12
Nov 27, 2008	FPAY	FEE PAYMENT	year of fee payment: 8
Nov 24, 2004	FPAY	FEE PAYMENT	year of fee payment: 4
Nov 01, 2003	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Jun 05, 2001	I	Issuance
May 17, 2001	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Mar 26, 1997	F	Filing
Jan 21, 1997	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:STORK, WILHELM;REEL/FRAME:011049/0821 Owner name: LEONHARD KURZ GMBH & CO., GERMANY Effective Date: Jan 21, 1997
Oct 11, 1994	PD	Priority Date