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

Patent Owner(s)

Patent Owner	Address
THE PENINSULA FUND IV LIMITED PARTNERSHIP	C/O PENINSULA CAPITAL PARTNERS L L C 535 GRISWOLD STREET SUITE 2050 DETROIT MI 48226

International Classification(s)

• D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....

• 2002 Application Filing Year
• D21H Class
• 211 Applications Filed
• 72 Patents Issued To-Date
• 34.13 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Erb, Jr David F	Readfield, ME	5	93
# of filed Patents : 5 Total Citations : 93
Ritter, Eric D	Monmouth, ME	10	152
# of filed Patents : 10 Total Citations : 152
Stang, Lisa B	Wayne, ME	1	45
# of filed Patents : 1 Total Citations : 45

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Patent Citation Ranking

• 13 Citation Count
• D21H Class

• 54.44 % this patent is cited more than
• 20 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
April 26, 2005	US,6884321,B2   US6884321B2	GRANTED PATENT AS SECOND PUBLICATION
May 29, 2003	US,20030099833,A1   US20030099833A1	FIRST PUBLISHED PATENT APPLICATION

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

 

• MAFP2025
• MAFP2021
• CC2018
• I2017
• PD2017
• STCF2017
• P2015
• AS2015
• F2015

Date	Code	Event	Description
Jan 09, 2025	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Jun 04, 2021	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Jun 05, 2018	CC	CERTIFICATE OF CORRECTION
Dec 12, 2017	I	Issuance
Dec 12, 2017	PD	Priority Date
Nov 21, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 06, 2015	P	Published
May 06, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PRESKY, DAVID;XIAO, HAIGUANG;WU, TAO;AND OTHERS;SIGNING DATES FROM 20150130 TO 20150506;REEL/FRAME:035572/0155 Owner name: BOEHRINGER INGELHEIM INTERNATIONAL GMBH, GERMANY
Jan 30, 2015	F	Filing