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

Patent Owner(s)

Patent Owner	Address
EVERGREEN SOLAR INC	259 CEDAR HILL STREET MARLBOROUGH MA 01752-3004

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF

• 2009 Application Filing Year
• C01B Class
• 981 Applications Filed
• 597 Patents Issued To-Date
• 60.86 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Doble, Daniel	Brookline, US	3	3
# of filed Patents : 3 Total Citations : 3
Huang, Weidong	Acton, US	74	496
# of filed Patents : 74 Total Citations : 496
Reitsma, Scott	Shrewsbury, US	16	8
# of filed Patents : 16 Total Citations : 8
Richardson, Christine	Northborough, US	16	86
# of filed Patents : 16 Total Citations : 86
Wallace, Richard	Acton, US	24	303
# of filed Patents : 24 Total Citations : 303

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Patent Citation Ranking

• 0 Citation Count
• C01B Class

• 0 % 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 30, 2010	US,7842270,B2   US7842270B2	GRANTED PATENT AS SECOND PUBLICATION
April 15, 2010	US,20100092776,A1   US20100092776A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7842270

Ribbon crystal having reduced wetting string

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Abstract

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A string for use in a string ribbon crystal has a base portion with a refractory material, and an externally exposed layer radially outward of the refractory material. The base portion has a coefficient of thermal expansion that is generally matched with the coefficient of thermal expansion for silicon. The externally exposed layer has a contact angle with silicon of between about 15 and 120 degrees.

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Description

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Claims

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Legal Events

 

• STCH2014
• FP2014
• LAPS2014
• REMI2014
• I2010
• AS�2010
• P2010
• F2009
• AS2009
• PD2007

Date	Code	Event	Description
Dec 29, 2014	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Nov 30, 2014	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Nov 30, 2014
Nov 30, 2014	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Jul 11, 2014	REMI	MAINTENANCE FEE REMINDER MAILED
Nov 30, 2010	I	Issuance
Apr 26, 2010	AS�	SECURITY INTEREST	free format text: SECURITY AGREEMENT;ASSIGNOR:EVERGREEN SOLAR, INC.;REEL/FRAME:024320/0458 Owner name: U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGEN Effective Date: Apr 26, 2010
Apr 15, 2010	P	Published
Dec 09, 2009	F	Filing
Dec 09, 2009	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RICHARDSON, CHRISTINE;HUANG, WEIDONG;WALLACE, RICHARD;AND OTHERS;SIGNING DATES FROM 20080904 TO 20081113;REEL/FRAME:023631/0312 Owner name: EVERGREEN SOLAR, INC.,MASSACHUSETTS free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RICHARDSON, CHRISTINE;HUANG, WEIDONG;WALLACE, RICHARD;AND OTHERS;SIGNING DATES FROM 20080904 TO 20081113;REEL/FRAME:023631/0312 Owner name: EVERGREEN SOLAR, INC., MASSACHUSETTS
Aug 31, 2007	PD	Priority Date