Appeal No. 1998-1736
Application 08/282,847
a conduit for constraining the fluid to flow in a first
direction;
wall means cooperating with said conduit to define a
chamber on at least one side of said conduit and located
alongside the fluid flowing in said first direction, said
chamber being in communication with the interior of said
conduit, said conduit having another side opposite said one
side;
an ultrasonic generating means provided in part in said
wall means and in part in said another side of said conduit,
said generating means being oriented to create standing
ultrasonic waves in said conduit, said standing ultrasonic
waves having planar node and antinode regions oriented at an
angle to the flow of said fluid; and
a bubble permeable window in said wall means to withdraw
bubbles reaching said window.
The references applied in the final rejection are:
Zenner et al (Zenner) 3,109,721 Nov. 5,
1963
Snaper 3,266,631 Aug. 16,
1966
Faulkner et al (Faulkner)4,339,247 Jul. 13,
1982
Magill et al (Magill) 92/093354(WIPO) Jun. 6, 1992
The appealed claims stand finally rejected on the
following grounds:
(1) Claims 1 to 11, for failure to comply with the “written
description” requirement of 35 U.S.C. § 112, first paragraph;
(2) Claims 1 to 5, unpatentable over Snaper in view of Zenner,
2
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