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

Patent Owner(s)

Patent Owner	Address
NANTONG TIANYI ENVIRONMENTAL PROTECTION ENERGY EQUIPMENT LIMITED CORPORATION	LIAONING ROAD #345 NANTONG JIANGSU

International Classification(s)

• C10B:DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS....

• 2009 Application Filing Year
• C10B Class
• 76 Applications Filed
• 58 Patents Issued To-Date
• 76.32 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
LI, Jianguo	Woodridge, US	169	2228
# of filed Patents : 169 Total Citations : 2228
WU, Xianji	Nantong, CN	1	3
# of filed Patents : 1 Total Citations : 3

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Patent Citation Ranking

• 3 Citation Count
• C10B Class

• 23.08 % this patent is cited more than
• 15 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: 6865170

Metropolitan wide area network

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Abstract

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A wide area communication network includes at least two hub sites which are interconnected by a communication backbone Each hub site provides wireless coverage in at least one sector. At least two remote sites reside in each sectors and are coupled to a corresponding hub site via a point to multi point broadband wireless system. The network preferably includes at least one service node which is accessible to the remote sites via the hub sites and backbone.

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Description

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Claims

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Legal Events

 

• STCH2017
• FP2017
• LAPS2017
• REMI2016
• FPAY2012
• FPAY2009
• SULP2009
• REMI2008
• AS2006
• AS2005
• I2005
• AS2004
• AS2000
• F1998
• PD1997

Date	Code	Event	Description
Apr 03, 2017	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Mar 08, 2017	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Mar 08, 2017
Mar 08, 2017	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Oct 14, 2016	REMI	MAINTENANCE FEE REMINDER MAILED
Aug 16, 2012	FPAY	FEE PAYMENT	year of fee payment: 8
Mar 05, 2009	FPAY	FEE PAYMENT	year of fee payment: 4
Mar 05, 2009	SULP	SURCHARGE FOR LATE PAYMENT
Sep 15, 2008	REMI	MAINTENANCE FEE REMINDER MAILED
Mar 10, 2006	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WINSTAR COMMUNICATIONS, INC.;REEL/FRAME:017353/0534 Owner name: IDT CAPITAL, INC, NEW JERSEY Effective Date: Mar 10, 2006
Nov 07, 2005	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:IDT CORPORATION;REEL/FRAME:017458/0947 Owner name: IDT CAPITAL, INC, NEW JERSEY Effective Date: Nov 07, 2005
Mar 08, 2005	I	Issuance
Aug 31, 2004	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WINSTAR COMMUNICATIONS, INC.;REEL/FRAME:015837/0355 Owner name: IDT CORPORATION, NEW JERSEY Effective Date: Aug 31, 2004
Feb 06, 2000	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ZENDLE, ALLAN M.;REEL/FRAME:010376/0741 Owner name: WINSTAR COMMUNICATIONS, INC., NEW YORK Effective Date: Feb 06, 2000
Jun 19, 1998	F	Filing
Jun 19, 1997	PD	Priority Date