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

Patent Owner(s)

Patent Owner	Address
HOGANAS AB	263 83 HÖGANÄS

International Classification(s)

• 1301:GENERATORS AND MOTORS

• 2013 Application Filing Year
• 1301 Class
• 64 Applications Filed
• 64 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dahlskog, Hans Johansson	Vellinge, SE	1	13
# of filed Patents : 1 Total Citations : 13
Svensson, Joakim	Ängelholm, SE	3	22
# of filed Patents : 3 Total Citations : 22

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Patent Citation Ranking

• 13 Citation Count
• 1301 Class

• 0 % this patent is cited more than
• 9 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 8, 2027

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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: 6957900

Glass reflector for projector and manufacturing method for the same

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Abstract

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For example, the reflector according to the present invention is a reflector made of glass for a projector which is composed of amorphous glass whose thermal expansion coefficient is 30 to 45×10-7/° C. and includes a reflective surface for reflecting light emitted from a light source and an opening for inserting a light source bulb or a conductor to the light source bulb, in which the opening is smoothed by heat-treating the surface thereof after opening-drilling, thus mechanical damage is removed from the processed part.

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Description

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Claims

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Legal Events

 

• STCH2009
• FP2009
• LAPS2009
• REMI2009
• I2005
• P2004
• AS2004
• F2003
• PD2003

Date	Code	Event	Description
Nov 23, 2009	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Oct 25, 2009	FP	EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Oct 25, 2009
Oct 25, 2009	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
May 04, 2009	REMI	MAINTENANCE FEE REMINDER MAILED
Oct 25, 2005	I	Issuance
Dec 30, 2004	P	Published
Apr 30, 2004	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HIRANO, NAOMI;MOMOI, HIROSHI;NISHIO, HIROYASU;AND OTHERS;REEL/FRAME:015287/0667;SIGNING DATES FROM 20031117 TO 20031118 Owner name: ASAHI TECHNO GLASS CORPORATION, JAPAN
Nov 28, 2003	F	Filing
Jun 26, 2003	PD	Priority Date