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

Patent Owner(s)

Patent Owner	Address
ROHO INC	1501 S 74TH STREET BELLEVILLE IL 62223

International Classification(s)

• A47C:CHAIRS

• 1996 Application Filing Year
• A47C Class
• 515 Applications Filed
• 154 Patents Issued To-Date
• 29.91 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Sobieralski, Richard F	St. Clair County, IL	1	156
# of filed Patents : 1 Total Citations : 156

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Patent Citation Ranking

• 156 Citation Count
• A47C Class

• 99.58 % this patent is cited more than
• 28 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: 5689845

Expansible air cell cushion

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Abstract

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An add-on segment to an air filled cushion having inflatable flexible air cells in which the add-on segment has corresponding air cells and is physically and pneumatically connected to those air cells of the base cushion adjacent to the add-on segment air cushions. The base cushion is expandable to allow for growth of the patient using the cushion and is especially adapted for pediatric use.

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Description

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Claims

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Legal Events

 

• STCH2002
• LAPS2001
• FP2001
• REMI2001
• I1997
• F1996
• PD1996
• AS1996

Date	Code	Event	Description
Jan 02, 2002	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Nov 26, 2001	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Nov 25, 2001	FP	EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Nov 25, 2001
Jun 19, 2001	REMI	MAINTENANCE FEE REMINDER MAILED
Nov 25, 1997	I	Issuance
Apr 17, 1996	F	Filing
Apr 17, 1996	PD	Priority Date
Apr 12, 1996	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SOBIERALSKI, RICHARD F.;REEL/FRAME:007964/0621 Owner name: ROHO, INC., ILLINOIS Effective Date: Apr 12, 1996