Appeal No. 1999-2114
Application 08/821,711
the application. Claims 1-12 have been canceled in
preliminary amendments prior to examination.
Appellant’s invention relates to a method for
forming building blocks. Independent claims 13 and 20 are
representative of the subject matter on appeal and a copy of
those claims, as they appear in the Appendix to appellant’s
brief (Paper No. 22), are reproduced below.
13. A method for compressing particulate material
comprising:
delivering particulate material through an upper
opening into a compression chamber;
closing a gate over the upper opening;
applying sufficient force to the particulate
material to compress the material into a block within the
compression chamber; and
while maintaining the force against the particulate
material, sliding the gate across an upper surface of the
block to smooth said upper surface.
20. A method for compressing particulate soil/cement
mixture into a block comprising:
delivering particulate material through an upper
opening into a compression chamber;
closing a gate over the upper opening;
2
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