Appeal No. 2000-0196
Application 08/796,478
1. An object levitating apparatus, comprising: means
for vibrating uniformly in-phase and having upper and lower
surfaces, and an ultrasonic excitation device that is attached
to the lower surface of the means for vibrating, said
ultrasonic excitation device exciting the means for vibrating
such that the means for vibrating vibrates longitudinally,
roughly perpendicular to the upper surface, so that sound
waves are generated and a radiated pressure is generated by
said sound waves emitted from said means for vibrating for
levitating an object without the use of a reflector above said
object.
The examiner relies on the following references:
Rey 4,284,403 Aug. 18,
1981
Barmatz et al. (Barmatz ‘435) 4,549,435 Oct. 29,
1985
Dorr 4,735,096 Apr.
5, 1988
Murphy 4,753,579 Jun. 28,
1988
(...continued)1
25) has been indicated on its face to be approved for entry. See Paper No. 26.
However, it appears that this amendment has not been physically entered into
the record. For our purposes, we consider claim 1 as amended by this
amendment and we leave it to the examiner to make sure the entry of this
amendment in the record. We note that there is another amendment after the
final rejection, amendment F, (Paper No. 23), which was filed on March 17,
1998. This amendment was not approved for entry. See Paper No. 24.
3
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