Pipe and duct forming member

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Description

FIG. 1 is a perspective view of the pipe and duct forming member; and,

FIG. 2 is a cross sectional view taken along line 2--2 of FIG. 1.

The pipe and duct forming member is shown partially broken away in FIG. 1 to indicate indeterminate length.

Referenced Cited
U.S. Patent Documents
D254802 April 22, 1980 Hayes
742453 October 1903 Lake
1234609 July 1917 Bernard
1900978 March 1933 De La Mare
2013242 September 1935 Johns
2867143 January 1959 Appleton
4314775 February 9, 1982 Johnson
4460540 July 17, 1984 Funk et al.
4967800 November 6, 1990 Heilmayr et al.
5007666 April 16, 1991 Kyfes
5215126 June 1, 1993 Clark
Foreign Patent Documents
AU-B-83848/91 May 1994 AUX
P/00/001 August 1994 AUX
403 April 1853 GBX
Patent History
Patent number: D403412
Type: Grant
Filed: Oct 24, 1996
Date of Patent: Dec 29, 1998
Inventors: Michael John McMahon (Via Murwillumbah, New South Wales 2484), Gregory Allan Newsome (Via Murwillumbah, New South Wales 2484)
Primary Examiner: Ted Shooman
Assistant Examiner: C. Tuttle
Attorneys: Gerald R. Boss, Roger S. Troutman Sanders LLP Williams
Application Number: 0/61,495
Classifications
Current U.S. Class: Pipe, Tubing Or Hose (D23/266)
International Classification: 2301;