Deferimento
#9.1
11/14/1989
RPI 995
Application data
Number
PI8307334Type
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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Aço Minas Gerais S/A - Açominas
MG, BR
Inventors
C. S. (pessoa física)
BR
S. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
11/14/1989
RPI 995
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02/28/1989
RPI 958
10/25/1988
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06/28/1988
RPI 923
#4.1
12/22/1987
RPI 896
08/25/1987
RPI 879
#3.1
08/06/1985
RPI 772
#2.1
02/12/1985
RPI 747
#21.1
Patente extinta em 23/12/98
07/01/2008
RPI 1956
#16.1
06/26/1990
RPI 1024
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03/20/1990
RPI 1010
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