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

Patent Owner(s)

Patent Owner	Address
OLDCASTLE INC	ARCHITECTURAL PRODUCTS GROUP 375 NORTHRIDGE ROAD SUITE 350 ATLANTA GA 30350

International Classification(s)

• B44F:SPECIAL DESIGNS OR PICTURES
• E01C:CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GR....

• 1997 Application Filing Year
• B44F Class
• 24 Applications Filed
• 9 Patents Issued To-Date
• 37.50 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Woolford, Michael E	Lake Elmo, MN	21	1514
# of filed Patents : 21 Total Citations : 1514

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Patent Citation Ranking

• 120 Citation Count
• B44F Class

• 93.33 % this patent is cited more than
• 26 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: 5884445

Paving block array

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Abstract

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A unitary paving block having an exposed surface in use having a multitude of markings to simulate individual, random paving elements has a periphery with a shape which enables the block to be laid with other similar blocks in an irregular, substantially unrepeated paving array. The shape of the periphery of the blocks is such that the blocks can be laid with each block angularly moved with respect to each other and/or laid in staggered relationship with respect to each other.

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Description

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Claims

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Legal Events

 

• FPAY2010
• FPAY2006
• FEPP2005
• FEPP2005
• REMI2002
• FPAY2002
• I1999
• STCF1999
• AS1997
• F1997
• PD1997

Date	Code	Event	Description
Sep 20, 2010	FPAY	FEE PAYMENT	year of fee payment: 12
Sep 25, 2006	FPAY	FEE PAYMENT	year of fee payment: 8
Dec 07, 2005	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 31, 2005	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 09, 2002	REMI	MAINTENANCE FEE REMINDER MAILED
Sep 20, 2002	FPAY	FEE PAYMENT	year of fee payment: 4
Mar 23, 1999	I	Issuance
Feb 16, 1999	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 16, 1997	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WOOLFORD, MICHAEL E.;REEL/FRAME:009205/0188 Owner name: OLDCASTLE, INC., GEORGIA Effective Date: Dec 16, 1997
Dec 02, 1997	F	Filing
Dec 02, 1997	PD	Priority Date