Appeal No. 97-2625
Application No. 08/118,925
suggest a method for containing a spill from a tank as recited
in independent claim 13.
Van Romer discloses a portable containment device (10)
for containing spilled hazardous chemicals such as
agricultural chemicals and preventing ground water
contamination (col. 1, lines 3-6). The containment device
includes a floor (12) and integral side walls (16, 18, 20, 22)
extending vertically from the floor. Resilient side braces
(A), bracing straps (B), and compressible top braces (C),
maintain the side walls in an upright position while allowing
the walls to collapse when a wheeled vehicle or aircraft (13)
is rolled onto and off of the containment in the field. A
perimetric flap (56) is carried by the floor and extends
outwardly away from the side walls for allowing the device to
be fastened to a ground surface such as by using stakes (60).
See, Abstract and col. 2, lines 22-50 and col. 4, lines 15-18.
Malloy discloses a receptacle (20) for collecting oil
drippings from the underside of an inboard engine of a boat
comprising a rectangular sheet (24) of semirigid plastic
material having a plurality of hinge lines (32, 34) formed by
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