Pipe joints or couplings – Distinct spaced serial
Reexamination Certificate
2011-03-22
2011-03-22
Dunwoody, Aaron (Department: 3679)
Pipe joints or couplings
Distinct spaced serial
C285S050000, C285S055000, C285S333000, C285S355000
Reexamination Certificate
active
07909368
ABSTRACT:
A coupling assembly includes a first pipe having a threaded portion and a non-threaded portion and a second pipe having a threaded and non-threaded portion. The non-threaded portion of each of the pipes is located at a free end of the first pipe and the second pipe. The coupling assembly also includes a coupling member for fixedly connecting the first pipe and the second pipe. The coupling member includes a first threaded inlet for receiving the first pipe, a second threaded inlet for receiving the second pipe and a non-threaded portion extending between the first inlet and the second inlet. The non-threaded portion of the coupling member includes an annular recess. A cross-section of the annular recess includes a vertical leg, a first angled leg extending from the vertical leg, a horizontal leg extending from the first angled leg, a second angled leg extending from the horizontal leg and a third angled leg extending from the second angled leg to the first threaded inlet of the coupling member.
REFERENCES:
patent: 2040766 (1936-05-01), Chappell
patent: 2233734 (1941-03-01), Ely et al.
patent: 2340537 (1944-02-01), Keener
patent: 3253841 (1966-05-01), Ahmad
patent: 3298716 (1967-01-01), Taylor et al.
patent: 3479059 (1969-11-01), Taylor et al.
patent: 4619472 (1986-10-01), Kozono et al.
patent: 5069485 (1991-12-01), Allen et al.
patent: 5236231 (1993-08-01), Allen et al.
patent: 5320388 (1994-06-01), Lacy et al.
patent: 6042153 (2000-03-01), DeLange et al.
patent: 6312024 (2001-11-01), Dutilleul et al.
patent: 6863313 (2005-03-01), DeLange et al.
patent: 7334821 (2008-02-01), Dutilleul et al.
patent: 2005/0173919 (2005-08-01), Posson
patent: 2005/0246883 (2005-11-01), Alliot et al.
patent: 2006/0182500 (2006-08-01), Crabtree et al.
patent: 0855546 (1998-07-01), None
patent: 2019860006257 (1986-06-01), None
patent: 2019940003801 (1994-06-01), None
Dunwoody Aaron
Kee Fannie
Robroy Industries, Inc.
The Webb Law Firm
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