Coupling flange for conduits

Description

FIG. 1 is a perspective view of two conduits mated at a respective coupling flange;

FIG. 2 is a front view of a first end of a conduit showing a first coupling flange;

FIG. 3 is a top view of the first end of the conduit of FIG. 2;

FIG. 4 is a front view of a second end of the conduit coupling flange;

FIG. 5 is a top view of the second end of the conduit of FIG. 4;

FIG. 6 is a right side view of the first end of the conduit; the left side view being identical;

FIG. 7 is a right side view of the second end of the conduit; the left side view being identical;

FIG. 8 is a right side view of a first coupling flange of one conduit mated with a second coupling flagne of another conduit;

FIG. 9 is a bottom view of the first end of the conduit of FIG. 2; and,

FIG. 10 is a bottom view of the second end of the conduit of FIG. 4.

The broken line showing of a fragmented portion of conduit and buttressing elements are for illustrative purposes only and forms no part of the claimed design. In addition, the flanges are shown detached for clarity of illustration.

Referenced Cited
U.S. Patent Documents
D207293 March 1967 Ferm
D329684 September 22, 1992 Gray
460352 September 1891 Reading
680548 August 1901 Sikes
980442 January 1911 Schafly
1255023 January 1918 Lang
1497549 June 1924 Conradi
1541918 June 1925 Brennan
1873495 August 1932 Smittle
2153789 April 1939 Carswell et al.
2366522 January 1945 Gutman
2788933 April 1957 Oldham
2834087 May 1958 Herman
2866319 December 1958 Nicholson
3042430 July 1962 Guy
3151631 October 1964 Yano
3333422 August 1967 Neyland
3339366 September 1967 Gogan et al.
3341178 September 1967 Cott
3440823 April 1969 Olsen
3495410 February 1970 Bailey et al.
3570251 March 1971 Roberts
3579995 May 1971 Flynn
3645100 February 1972 La Monica
3820341 June 1974 Richard et al.
3898162 August 1975 Carlson et al.
3910051 October 1975 Komisarek
3962088 June 8, 1976 Kuhlenschmidt et al.
4162976 July 31, 1979 Monson
4166720 September 4, 1979 Weber
4183696 January 15, 1980 Auriemma
4192628 March 11, 1980 Gorman
4239416 December 16, 1980 Borca et al.
4245924 January 20, 1981 Fouss et al.
4360042 November 23, 1982 Fouss et al.
4363563 December 14, 1982 Hallenius et al.
4379654 April 12, 1983 Rovelli
4416340 November 22, 1983 Bailey
4433821 February 28, 1984 Bolding et al.
4523613 June 18, 1985 Fouss et al.
4588325 May 13, 1986 Seefert
4598277 July 1, 1986 Feldman
4624603 November 25, 1986 Kanao
4759661 July 26, 1988 Nichols et al.
4790567 December 13, 1988 Kawano et al.
4797030 January 10, 1989 Lockwood
5087151 February 11, 1992 DiTullio
5110459 May 5, 1992 Baxter
5149143 September 22, 1992 Howell
5156488 October 20, 1992 Nichols
5234286 August 10, 1993 Wagner
5336017 August 9, 1994 Nichols
5399814 March 21, 1995 Staber et al.
5441363 August 15, 1995 Gray
5498104 March 12, 1996 Gray
Other references
  • May, "Technical Support Paper for The Infiltrator Leaching System" (Apr. 1987).
Patent History
Patent number: D397090
Type: Grant
Filed: Mar 11, 1996
Date of Patent: Aug 18, 1998
Inventor: Terrance H. Gray (Bath, ME)
Primary Examiner: Holly Baynham
Law Firm: Hamilton, Brook, Smith & Reynolds, P.C.
Application Number: 0/51,471
Classifications
Current U.S. Class: Conduit, Duct Or Channel (D13/155)
International Classification: 1303;