Concessão da patente
#16.1
02/23/1988
RPI 905
Application data
Number
PI8204758Type
Filing
Publication
The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 02/23/1988. We update with every new RPI gazette, published weekly.
Applicants
Centro de Tecnologia Mineral - Cetem
RJ, BR
Inventors
A. W. (pessoa física)
DE
E. G. (pessoa física)
DE
S. M. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
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Patente extinta em 13/08/97
07/01/2008
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