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

Patent Owner(s)

Patent Owner	Address
ATCO RUBBER PRODUCTS INC A CORP OF MI	7101 GUMM LANE FORT WORTH TX 76118

International Classification(s)

• B65H:HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Gentry, Gary F	Bakersfield, CA	1	4
# of filed Patents : 1 Total Citations : 4

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Patent Citation Ranking

• 4 Citation Count
• B65H Class

• 0 % this patent is cited more than
• 42 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: 4400228

Method of making lengths of flexible insulated air duct with end collars

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Abstract

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A tubular jacket of flexible plastic film is telescoped over one of two spaced coaxial mandrels extending toward each other, duct end collars are secured respectively on the mandrels, opposite ends of a flexible helically reinforced core are strapped respectively to the collars, a flexible insulation blanket is wrapped around the core and taped adjacent opposite ends, the jacket is pulled over the blanket, the collars are released, and the collared duct is removed from the mandrels.

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Description

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Claims

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Legal Events

 

• STCH2018
• FP1995
• LAPS1995
• FEPP1995
• FEPP1991
• MAFP1991
• AS�1987
• MAFP1987
• AS1986
• AS1986
• FEPP1985
• I1983
• F1982
• PD1982
• AS1982

Date	Code	Event	Description
Jan 22, 2018	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Aug 23, 1995	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Aug 23, 1995
Aug 20, 1995	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Mar 28, 1995	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Jan 30, 1991	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Jan 02, 1991	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, PL 96-517 (ORIGINAL EVENT CODE: M171); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Jul 30, 1987	AS�	SECURITY INTEREST	free format text: TERMINATION OF SECURITY AGREEMENT RECORDED NOV. 13, 1986. REEL 4652 FRAMES 351-420;ASSIGNORS:WILMINGTON TRUST COMPANY, A DE. BANKING CORPORATION;WADE, WILLIAM J. (TRUSTEES);REEL/FRAME:004903/0501 Owner name: OWENS-CORNING FIBERGLAS CORPORATION, FIBERGLAS TOW Effective Date: Jul 30, 1987 free format text: TERMINATION OF SECURITY AGREEMENT RECORDED NOV. 13, 1986. REEL 4652 FRAMES 351-420;ASSIGNORS:WILMINGTON TRUST COMPANY, A DE. BANKING CORPORATION;WADE, WILLIAM J. (TRUSTEES);REEL/FRAME:004903/0501 Owner name: OWENS-CORNING FIBERGLAS CORPORATION, A CORP. OF DE Effective Date: Jul 30, 1987
Jan 20, 1987	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, PL 96-517 (ORIGINAL EVENT CODE: M170); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Nov 03, 1986	AS	ASSIGNMENT	free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Owner name: WILMINGTON TRUST COMPANY, ONE RODNEY SQUARE NORTH, Effective Date: Nov 03, 1986 free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Owner name: WADE, WILLIAM, J., ONE RODNEY SQUARE NORTH, WILMIN Effective Date: Nov 03, 1986 free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Owner name: WILMINGTON TRUST COMPANY, DELAWARE Effective Date: Nov 03, 1986 free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Owner name: WADE, WILLIAM, J., DELAWARE Effective Date: Nov 03, 1986
Feb 07, 1986	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:OWEN-CORNING FIBERGLAS CORPORATION, A CORP. OF DE.;REEL/FRAME:004515/0984 Owner name: ATCO RUBBER PRODUCTS, INC., A CORP. OF MI. Effective Date: Feb 07, 1986
Aug 09, 1985	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Aug 23, 1983	I	Issuance
Jun 30, 1982	F	Filing
Jun 30, 1982	PD	Priority Date
Jun 15, 1982	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:GENTRY, GARY F.;REEL/FRAME:004115/0651 Owner name: OWENS-CORNING FIBERGLAS CORPORATION A DE CORP. Effective Date: Jun 15, 1982