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

Patent Owner(s)

Patent Owner	Address
DANIELI & C OFFICINE MECCANICHE S P A	33042 BUTTRIO

International Classification(s)

• B22D:CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY ....

• 2005 Application Filing Year
• B22D Class
• 191 Applications Filed
• 91 Patents Issued To-Date
• 47.65 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
David, Claudio	Udine, IT	1	0
# of filed Patents : 1 Total Citations : 0
De, Luca Andrea	Remanzacco, IT	75	185
# of filed Patents : 75 Total Citations : 185
Poloni, Alfredo	Fogliano Redipuglia, IT	151	419
# of filed Patents : 151 Total Citations : 419

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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
March 02, 2010	US,7670546,B2   US7670546B2	GRANTED PATENT AS SECOND PUBLICATION
August 14, 2008	US,20080190971,A1   US20080190971A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7670546

Control device of a stopper-rod

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Abstract

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Control device for a stopper-rod to regulate the outflow of liquid metal through a calibrated hole of a pouring receptacle comprising motor means, suitable to operate lifting and lowering means (2) of the stopper (4) by means of first driving means (7) and second driving means (14, 14'), the latter being suitable to convert a rotating motion into a translational motion, wherein the second driving means are flexible longitudinal elements and are fixed at a first end thereof to lifting and lowering means and a second end thereof to an anchor element (9), integral with the first means.

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Description

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Claims

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Legal Events

 

• STCH2018
• LAPS2018
• FP2018
• FEPP2017
• FPAY2013
• I2010
• P2008
• AS2007
• F2005
• PD2004

Date	Code	Event	Description
Apr 02, 2018	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Apr 02, 2018	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.)
Mar 02, 2018	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Mar 02, 2018
Oct 16, 2017	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.)
Mar 14, 2013	FPAY	FEE PAYMENT	year of fee payment: 4
Mar 02, 2010	I	Issuance
Aug 14, 2008	P	Published
Jul 10, 2007	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:POLONI, ALFREDO;DE LUCA, ANDREA;DAVID, CLAUDIO;REEL/FRAME:019762/0254 Owner name: DANIELI & C. OFFICINE MECCANICHE S.P.A., ITALY Effective Date: Jul 10, 2007 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:POLONI, ALFREDO;DE LUCA, ANDREA;DAVID, CLAUDIO;REEL/FRAME:019762/0254 Owner name: DANIELI & C. OFFICINE MECCANICHE S.P.A.,ITALY Effective Date: Jul 10, 2007
Nov 29, 2005	F	Filing
Nov 30, 2004	PD	Priority Date