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

Patent Owner(s)

Patent Owner	Address
CTI ELECTRONICS CORPORATION	110 OLD SOUTH AVENUE STRATFORD CT 06615

International Classification(s)

• 1402:DATA PROCESSING EQUIPMENT AS WELL AS PERIPHERAL AP....

• 2000 Application Filing Year
• 1402 Class
• 0 Applications Filed
• 0 Patents Issued To-Date
• 0 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Mikan, Peter J	31 Greenfield Rd., Milford, CT 06460	17	486
# of filed Patents : 17 Total Citations : 486

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Patent Citation Ranking

• 4 Citation Count
• 1402 Class

• 0 % this patent is cited more than
• 23 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: 9993751

Screen filter module for alternating flow filtration

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Abstract

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Improved screen filter modules, related compartmentalized filtration modules, and related filtration processes, suitable for filtering fluid to eliminate suspended particulate matter, such as living cells or microcarriers anchoring living cells, or to separate particulate matter based on size. The improvement is the presence of a barrier that channels redirected filtrate to the portion of the filter most susceptible to clogging by the particulate matter and induces flow patterns that act against clogging.

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Description

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Claims

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Legal Events

 

• MAFP2021
• FEPP2018
• CC2018
• I2018
• STCF2018
• P2015
• F2015
• AS2014

Date	Code	Event	Description
Nov 24, 2021	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
Nov 15, 2018	FEPP	FEE PAYMENT PROCEDURE	free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 30, 2018	CC	CERTIFICATE OF CORRECTION
Jun 12, 2018	I	Issuance
May 23, 2018	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Oct 01, 2015	P	Published
Jun 08, 2015	F	Filing
Jun 02, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SHEVITZ, JERRY;REEL/FRAME:036297/0271 Owner name: REPLIGEN CORPORATION, MASSACHUSETTS Effective Date: Jun 02, 2014