Appeal No. 1997-4043 Page 8
Application No. 08/124,332
Claims 1-6 each specifies in pertinent part the following
limitations: “sealing a perimeter of said processing surface
to said plate to form an acoustically reflective volume
therebetween ....” Similarly, claims 7-12 each specifies in
pertinent part the following limitations: “a sealing rim at a
perimeter of said cover plate for engaging said cover plate to
said component with said front face opposite said processing
surface ... establishing an acoustically reflective volume
adjacent to said processing surface between said front face
and said processing surface ....” In summary, the limitations
recite sealing the perimeter of a processing surface to a
cover plate to form an acoustically reflective cavity
therebetween.
The examiner fails to show a teaching or suggestion of
these limitations in the prior art. “Obviousness may not be
established using hindsight or in view of the teachings or
suggestions of the inventor.” Para-Ordnance Mfg. v. SGS
Importers Int’l, 73 F.3d 1085, 1087, 37 USPQ2d 1237, 1239
(Fed. Cir. 1995) (citing W.L. Gore & Assocs., Inc. v. Garlock,
Inc., 721 F.2d 1540, 1551, 1553, 220 USPQ 303, 311, 312-13
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