Pipe joints or couplings – Serial,relatively movable portions – Serial diverse single flow path or line
Reexamination Certificate
2006-03-06
2008-12-02
Dunwoody, Aaron M (Department: 3679)
Pipe joints or couplings
Serial,relatively movable portions
Serial diverse single flow path or line
C285S148130, C285S286100, C285S293100, C285S390000, C285S392000
Reexamination Certificate
active
07458613
ABSTRACT:
A fire sprinkler fitting has a cylindrical body and an insert. The insert has an inner end which is disposed within a proximal portion of the bore, such that the outer end protrudes beyond the open bore end by a distance D. The outer end has internal threads which are sized and dimensioned to accept and retain a fire sprinkler therein. The insert is rotatable within the body without effecting the distance D.
REFERENCES:
patent: 1233644 (1917-07-01), Clark
Anderson Denton L.
Dunwoody Aaron M
Kee Fannie
Sheldon Mak Rose & Anderson PC
Spears Manufacturing Co.
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