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

Patent Owner(s)

Patent Owner	Address
FRANZ PLASSER BAHNBAUMASCHINEN-INDUSTRIEGESELLSCHAFT M B H	JOHANNESGASSE 3 A-1010 VIENNA

International Classification(s)

• E01B:PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR M....

• 2007 Application Filing Year
• E01B Class
• 63 Applications Filed
• 42 Patents Issued To-Date
• 66.67 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Matzinger, Erwin	Linz, AT	2	8
# of filed Patents : 2 Total Citations : 8
Theurer, Josef	Vienna, AT	353	3008
# of filed Patents : 353 Total Citations : 3008

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Patent Citation Ranking

• 1 Citation Count
• E01B Class

• 10.34 % this patent is cited more than
• 13 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
February 14, 2012	US,8113120,B2   US8113120B2	GRANTED PATENT AS SECOND PUBLICATION
August 30, 2007	US,20070199471,A1   US20070199471A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9880452

Image projection apparatus and illumination optical system

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Abstract

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An image projection apparatus includes: an illumination optical system; a projection optical system assembled integrally with the illumination optical system; and a frame fixed to only one system, that has a larger weight, of the illumination optical system and the projection optical system.

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Description

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Claims

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Legal Events

 

• MAFP2022
• MAFP2018
• FPAY2014
• I2011
• STCF2011
• P2010
• FEPP2010
• F2010
• AS2004
• PD2003

Date	Code	Event	Description
Dec 21, 2022	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12
Dec 20, 2018	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Dec 17, 2014	FPAY	FEE PAYMENT	year of fee payment: 4
Jul 05, 2011	I	Issuance
Jun 15, 2011	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 23, 2010	P	Published
Nov 02, 2010	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Aug 26, 2010	F	Filing
May 14, 2004	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WHITBY-STREVENS, COLIN;HAUCK, JERROLD VON;REEL/FRAME:025369/0953 Owner name: APPLE COMPUTER INC., CALIFORNIA Effective Date: May 14, 2004
Nov 18, 2003	PD	Priority Date