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

Patent Owner(s)

Patent Owner	Address
UNION PACIFIC RAILROAD COMPANY A CORP OF UT	1416 DODGE STREET OMAHA NE

International Classification(s)

• B61D:BODY DETAILS OR KINDS OF RAILWAY VEHICLES

• 1991 Application Filing Year
• B61D Class
• 56 Applications Filed
• 22 Patents Issued To-Date
• 39.29 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Beckwith, Steven C	1325 So. 80th St., Omaha, NE 68124	1	0
# of filed Patents : 1 Total Citations : 0
Hutchens, Michael R	115 Maple Drive, Box 247, Treynor, IA 51575	1	0
# of filed Patents : 1 Total Citations : 0

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Patent Citation Ranking

• 0 Citation Count
• B61D Class

• 0 % this patent is cited more than
• 33 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: 9326374

Flexible circuit board and process for producing the same

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Abstract

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A flexible circuit board comprises a substrate which has a polyimide layer recessed to define at least a compartment. The compartment includes an inner wall surface having a side wall and a bottom wall. The compartment is for containing a multilayer unit, wherein the multilayer unit includes an adhesion enhancing layer formed on the wall of the compartment, a first electrically conducting layer disposed on the adhesion enhancing layer, and a second electrically conducting layer formed on the first electrically conducting layer. The adhesion enhancing layer is palladium. The first electrically conducting layer is nickel. The substrate is composed of polyimide (PI).

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2023
• MAFP2019
• I2016
• STCF2016
• P2014
• F2013
• AS2013
• PD2013

Date	Code	Event	Description
Aug 29, 2023	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
Sep 16, 2019	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Apr 26, 2016	I	Issuance
Apr 06, 2016	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 14, 2014	P	Published
Aug 15, 2013	F	Filing
Aug 12, 2013	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHIU, CHIEN-HWA;CHAO, CHIH-MIN;KUO, PEIR-RONG;AND OTHERS;REEL/FRAME:031014/0768 Owner name: ICHIA TECHNOLOGIES,INC., TAIWAN Effective Date: Aug 12, 2013
Feb 08, 2013	PD	Priority Date