Appeal No. 2006-0305 8
Application No. 10/370,545
Accordingly, we shall sustain the standing 35 U.S.C. § 103(a) rejection of
claims 1 and 4-6 as being unpatentable over Merritt in view of Jones and Davis.
II. The 35 U.S.C. § 103(a) rejection of claims 8, 10 and 11 as being unpatentable over
Coles in view of Lewis, Jones and Davis
Coles discloses a drain pipe flushing attachment composed of a disk body 11
having a nipple 14 for connection to a water supply hose 17 and a depending peripheral
flange 12 provided with an external screw thread 13 for engaging an internal screw
thread 10 on a countersunk portion of a drain screen plate in a kitchen sink or other
bowl/basin.
Suffice to say that Coles provides little response to the subject matter recited in
claim 8. The examiner’s reliance on Lewis, Jones and Davis to cure the extensive
shortcomings of Coles in this regard is not well founded.
Lewis discloses a bathtub overflow drain pipe having an externally threaded
portion extending from the front wall of the tub. As discussed above, Jones discloses a
drain flushing device connected via a hose to a faucet and Davis discloses a bathtub
shower having an externally threaded water output pipe 12 projecting from the wall of
the shower.
In short, the only suggestion for reconfiguring and supplementing the kitchen
drain flushing attachment disclosed by Coles in view of Lewis, Jones and Davis so as to
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