Pipe joints or couplings – Elbow
Reexamination Certificate
2003-12-16
2010-02-02
Hewitt, James M (Department: 3679)
Pipe joints or couplings
Elbow
C285S275000, C285S276000, C285S278000
Reexamination Certificate
active
07654582
ABSTRACT:
A direction control means for apparatuses for cleaning submerged surfaces in the form of an elbow joint with swivel connections at each end. The connections may include anti-friction surfaces.
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Arengo 309 (Proprietary) Limited
Bacon & Thomas PLLC
Hewitt James M
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