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

Patent Owner(s)

Patent Owner	Address
RIB LOC AUSTRALIA PTY LTD COMMONWEALTH OF AUSTRALIA A CO INCORPORATED OF SOUTH AUSTRALIA	INNOVATION HOUSE TECHNOLOGY PARK THE LEVELS SOUTH AUSTRALIA 5095

International Classification(s)

• F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....

• 1988 Application Filing Year
• F16L Class
• 593 Applications Filed
• 1 Patents Issued To-Date
• 0.17 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Menzel, Stanley W O	Burnside, AU	11	170
# of filed Patents : 11 Total Citations : 170

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Patent Citation Ranking

• 10 Citation Count
• F16L Class

• 0 % this patent is cited more than
• 35 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: 4977931

Method of producing reinforced ribbed tubes

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Abstract

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The method of reinforcing a structure formed by interengaging the edges of ribbed strip (1) formed of a plastics material to form a helically wound tube, the strip (1) comprising a plurality of the ribs (2) spaced apart and upstanding from a base (24), characterized by engaging on the strip (1) a non-planar reinforcing member (10), and locking the reinforcing member (10) to the strip to form an attached strength member to attain lateral stability of the ribs.

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Description

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Claims

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Claims data not available

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Legal Events

 

• FEPP2003
• REMI2002
• FPAY2002
• FPAY1998
• FPAY1994
• FEPP1993
• I1990
• STCF1990
• F1988
• AS1988
• PD1986

Date	Code	Event	Description
Dec 09, 2003	FEPP	FEE PAYMENT PROCEDURE	free format text: PAT HOLDER NO LONGER CLAIMS SMALL ENTITY STATUS, ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: STOL); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Jul 02, 2002	REMI	MAINTENANCE FEE REMINDER MAILED
Jun 17, 2002	FPAY	FEE PAYMENT	year of fee payment: 12
Jun 17, 1998	FPAY	FEE PAYMENT	year of fee payment: 8
Jun 03, 1994	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 02, 1993	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Dec 18, 1990	I	Issuance
Oct 17, 1990	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Mar 03, 1988	F	Filing
Feb 19, 1988	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MENZEL, STANLEY W. O.;REEL/FRAME:004881/0080 Owner name: RIB LOC AUSTRALIA PTY. LTD., INNOVATION HOUSE, TEC Effective Date: Feb 19, 1988 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MENZEL, STANLEY W. O.;REEL/FRAME:004881/0080 Owner name: RIB LOC AUSTRALIA PTY. LTD., COMMONWEALTH OF AUSTR Effective Date: Feb 19, 1988
Jul 03, 1986	PD	Priority Date