Publicação do pedido de patente
#3.1
05/23/1989
RPI 970
Application data
Number
PI8705799Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
Mitsubishi Mining & Cement Co., Ltd.
JP
Inventors
T. M. (pessoa física)
JP
Y. N. (pessoa física)
JP
Y. H. (pessoa física)
JP
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/23/1989
RPI 970
#2.1
03/01/1988
RPI 906
#21.1
Patente extinta em 30/10/2002
07/29/2008
RPI 1960
#16.1
10/27/1992
RPI 1143
#13.1
06/30/1992
RPI 1126
#15.11
05/12/1992
RPI 1119
#9.1
02/11/1992
RPI 1106
#4.1
01/29/1991
RPI 1052
Same category
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